Zzz – Rev 1
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using System;
using System.Drawing;
using System.Runtime.InteropServices;
namespace Zzz.Idle
{
public class WindowsHookHelper
{
#region Public Events & Delegates
public delegate IntPtr HookDelegate(
int code, IntPtr wParam, IntPtr lParam);
#endregion
#region Public Enums, Properties and Fields
/// <summary>
/// Windows Messages
/// Defined in winuser.h from Windows SDK v6.1
/// Documentation pulled from MSDN.
/// </summary>
public enum WM : uint
{
/// <summary>
/// The WM_NULL message performs no operation. An application sends the WM_NULL message if it wants to post a message
/// that the recipient window will ignore.
/// </summary>
NULL = 0x0000,
/// <summary>
/// The WM_CREATE message is sent when an application requests that a window be created by calling the CreateWindowEx
/// or CreateWindow function. (The message is sent before the function returns.) The window procedure of the new window
/// receives this message after the window is created, but before the window becomes visible.
/// </summary>
CREATE = 0x0001,
/// <summary>
/// The WM_DESTROY message is sent when a window is being destroyed. It is sent to the window procedure of the window
/// being destroyed after the window is removed from the screen.
/// This message is sent first to the window being destroyed and then to the child windows (if any) as they are
/// destroyed. During the processing of the message, it can be assumed that all child windows still exist.
/// ///
/// </summary>
DESTROY = 0x0002,
/// <summary>
/// The WM_MOVE message is sent after a window has been moved.
/// </summary>
MOVE = 0x0003,
/// <summary>
/// The WM_SIZE message is sent to a window after its size has changed.
/// </summary>
SIZE = 0x0005,
/// <summary>
/// The WM_ACTIVATE message is sent to both the window being activated and the window being deactivated. If the windows
/// use the same input queue, the message is sent synchronously, first to the window procedure of the top-level window
/// being deactivated, then to the window procedure of the top-level window being activated. If the windows use
/// different input queues, the message is sent asynchronously, so the window is activated immediately.
/// </summary>
ACTIVATE = 0x0006,
/// <summary>
/// The WM_SETFOCUS message is sent to a window after it has gained the keyboard focus.
/// </summary>
SETFOCUS = 0x0007,
/// <summary>
/// The WM_KILLFOCUS message is sent to a window immediately before it loses the keyboard focus.
/// </summary>
KILLFOCUS = 0x0008,
/// <summary>
/// The WM_ENABLE message is sent when an application changes the enabled state of a window. It is sent to the window
/// whose enabled state is changing. This message is sent before the EnableWindow function returns, but after the
/// enabled state (WS_DISABLED style bit) of the window has changed.
/// </summary>
ENABLE = 0x000A,
/// <summary>
/// An application sends the WM_SETREDRAW message to a window to allow changes in that window to be redrawn or to
/// prevent changes in that window from being redrawn.
/// </summary>
SETREDRAW = 0x000B,
/// <summary>
/// An application sends a WM_SETTEXT message to set the text of a window.
/// </summary>
SETTEXT = 0x000C,
/// <summary>
/// An application sends a WM_GETTEXT message to copy the text that corresponds to a window into a buffer provided by
/// the caller.
/// </summary>
GETTEXT = 0x000D,
/// <summary>
/// An application sends a WM_GETTEXTLENGTH message to determine the length, in characters, of the text associated with
/// a window.
/// </summary>
GETTEXTLENGTH = 0x000E,
/// <summary>
/// The WM_PAINT message is sent when the system or another application makes a request to paint a portion of an
/// application's window. The message is sent when the UpdateWindow or RedrawWindow function is called, or by the
/// DispatchMessage function when the application obtains a WM_PAINT message by using the GetMessage or PeekMessage
/// function.
/// </summary>
PAINT = 0x000F,
/// <summary>
/// The WM_CLOSE message is sent as a signal that a window or an application should terminate.
/// </summary>
CLOSE = 0x0010,
/// <summary>
/// The WM_QUERYENDSESSION message is sent when the user chooses to end the session or when an application calls one of
/// the system shutdown functions. If any application returns zero, the session is not ended. The system stops sending
/// WM_QUERYENDSESSION messages as soon as one application returns zero.
/// After processing this message, the system sends the WM_ENDSESSION message with the wParam parameter set to the
/// results of the WM_QUERYENDSESSION message.
/// </summary>
QUERYENDSESSION = 0x0011,
/// <summary>
/// The WM_QUERYOPEN message is sent to an icon when the user requests that the window be restored to its previous size
/// and position.
/// </summary>
QUERYOPEN = 0x0013,
/// <summary>
/// The WM_ENDSESSION message is sent to an application after the system processes the results of the
/// WM_QUERYENDSESSION message. The WM_ENDSESSION message informs the application whether the session is ending.
/// </summary>
ENDSESSION = 0x0016,
/// <summary>
/// The WM_QUIT message indicates a request to terminate an application and is generated when the application calls the
/// PostQuitMessage function. It causes the GetMessage function to return zero.
/// </summary>
QUIT = 0x0012,
/// <summary>
/// The WM_ERASEBKGND message is sent when the window background must be erased (for example, when a window is
/// resized). The message is sent to prepare an invalidated portion of a window for painting.
/// </summary>
ERASEBKGND = 0x0014,
/// <summary>
/// This message is sent to all top-level windows when a change is made to a system color setting.
/// </summary>
SYSCOLORCHANGE = 0x0015,
/// <summary>
/// The WM_SHOWWINDOW message is sent to a window when the window is about to be hidden or shown.
/// </summary>
SHOWWINDOW = 0x0018,
/// <summary>
/// An application sends the WM_WININICHANGE message to all top-level windows after making a change to the WIN.INI
/// file. The SystemParametersInfo function sends this message after an application uses the function to change a
/// setting in WIN.INI.
/// Note The WM_WININICHANGE message is provided only for compatibility with earlier versions of the system.
/// Applications should use the WM_SETTINGCHANGE message.
/// </summary>
WININICHANGE = 0x001A,
/// <summary>
/// An application sends the WM_WININICHANGE message to all top-level windows after making a change to the WIN.INI
/// file. The SystemParametersInfo function sends this message after an application uses the function to change a
/// setting in WIN.INI.
/// Note The WM_WININICHANGE message is provided only for compatibility with earlier versions of the system.
/// Applications should use the WM_SETTINGCHANGE message.
/// </summary>
SETTINGCHANGE = WININICHANGE,
/// <summary>
/// The WM_DEVMODECHANGE message is sent to all top-level windows whenever the user changes device-mode settings.
/// </summary>
DEVMODECHANGE = 0x001B,
/// <summary>
/// The WM_ACTIVATEAPP message is sent when a window belonging to a different application than the active window is
/// about to be activated. The message is sent to the application whose window is being activated and to the
/// application whose window is being deactivated.
/// </summary>
ACTIVATEAPP = 0x001C,
/// <summary>
/// An application sends the WM_FONTCHANGE message to all top-level windows in the system after changing the pool of
/// font resources.
/// </summary>
FONTCHANGE = 0x001D,
/// <summary>
/// A message that is sent whenever there is a change in the system time.
/// </summary>
TIMECHANGE = 0x001E,
/// <summary>
/// The WM_CANCELMODE message is sent to cancel certain modes, such as mouse capture. For example, the system sends
/// this message to the active window when a dialog box or message box is displayed. Certain functions also send this
/// message explicitly to the specified window regardless of whether it is the active window. For example, the
/// EnableWindow function sends this message when disabling the specified window.
/// </summary>
CANCELMODE = 0x001F,
/// <summary>
/// The WM_SETCURSOR message is sent to a window if the mouse causes the cursor to move within a window and mouse input
/// is not captured.
/// </summary>
SETCURSOR = 0x0020,
/// <summary>
/// The WM_MOUSEACTIVATE message is sent when the cursor is in an inactive window and the user presses a mouse button.
/// The parent window receives this message only if the child window passes it to the DefWindowProc function.
/// </summary>
MOUSEACTIVATE = 0x0021,
/// <summary>
/// The WM_CHILDACTIVATE message is sent to a child window when the user clicks the window's title bar or when the
/// window is activated, moved, or sized.
/// </summary>
CHILDACTIVATE = 0x0022,
/// <summary>
/// The WM_QUEUESYNC message is sent by a computer-based training (CBT) application to separate user-input messages
/// from other messages sent through the WH_JOURNALPLAYBACK Hook procedure.
/// </summary>
QUEUESYNC = 0x0023,
/// <summary>
/// The WM_GETMINMAXINFO message is sent to a window when the size or position of the window is about to change. An
/// application can use this message to override the window's default maximized size and position, or its default
/// minimum or maximum tracking size.
/// </summary>
GETMINMAXINFO = 0x0024,
/// <summary>
/// Windows NT 3.51 and earlier: The WM_PAINTICON message is sent to a minimized window when the icon is to be painted.
/// This message is not sent by newer versions of Microsoft Windows, except in unusual circumstances explained in the
/// Remarks.
/// </summary>
PAINTICON = 0x0026,
/// <summary>
/// Windows NT 3.51 and earlier: The WM_ICONERASEBKGND message is sent to a minimized window when the background of the
/// icon must be filled before painting the icon. A window receives this message only if a class icon is defined for
/// the window; otherwise, WM_ERASEBKGND is sent. This message is not sent by newer versions of Windows.
/// </summary>
ICONERASEBKGND = 0x0027,
/// <summary>
/// The WM_NEXTDLGCTL message is sent to a dialog box procedure to set the keyboard focus to a different control in the
/// dialog box.
/// </summary>
NEXTDLGCTL = 0x0028,
/// <summary>
/// The WM_SPOOLERSTATUS message is sent from Print Manager whenever a job is added to or removed from the Print
/// Manager queue.
/// </summary>
SPOOLERSTATUS = 0x002A,
/// <summary>
/// The WM_DRAWITEM message is sent to the parent window of an owner-drawn button, combo box, list box, or menu when a
/// visual aspect of the button, combo box, list box, or menu has changed.
/// </summary>
DRAWITEM = 0x002B,
/// <summary>
/// The WM_MEASUREITEM message is sent to the owner window of a combo box, list box, list view control, or menu item
/// when the control or menu is created.
/// </summary>
MEASUREITEM = 0x002C,
/// <summary>
/// Sent to the owner of a list box or combo box when the list box or combo box is destroyed or when items are removed
/// by the LB_DELETESTRING, LB_RESETCONTENT, CB_DELETESTRING, or CB_RESETCONTENT message. The system sends a
/// WM_DELETEITEM message for each deleted item. The system sends the WM_DELETEITEM message for any deleted list box or
/// combo box item with nonzero item data.
/// </summary>
DELETEITEM = 0x002D,
/// <summary>
/// Sent by a list box with the LBS_WANTKEYBOARDINPUT style to its owner in response to a WM_KEYDOWN message.
/// </summary>
VKEYTOITEM = 0x002E,
/// <summary>
/// Sent by a list box with the LBS_WANTKEYBOARDINPUT style to its owner in response to a WM_CHAR message.
/// </summary>
CHARTOITEM = 0x002F,
/// <summary>
/// An application sends a WM_SETFONT message to specify the font that a control is to use when drawing text.
/// </summary>
SETFONT = 0x0030,
/// <summary>
/// An application sends a WM_GETFONT message to a control to retrieve the font with which the control is currently
/// drawing its text.
/// </summary>
GETFONT = 0x0031,
/// <summary>
/// An application sends a WM_SETHOTKEY message to a window to associate a hot key with the window. When the user
/// presses the hot key, the system activates the window.
/// </summary>
SETHOTKEY = 0x0032,
/// <summary>
/// An application sends a WM_GETHOTKEY message to determine the hot key associated with a window.
/// </summary>
GETHOTKEY = 0x0033,
/// <summary>
/// The WM_QUERYDRAGICON message is sent to a minimized (iconic) window. The window is about to be dragged by the user
/// but does not have an icon defined for its class. An application can return a handle to an icon or cursor. The
/// system displays this cursor or icon while the user drags the icon.
/// </summary>
QUERYDRAGICON = 0x0037,
/// <summary>
/// The system sends the WM_COMPAREITEM message to determine the relative position of a new item in the sorted list of
/// an owner-drawn combo box or list box. Whenever the application adds a new item, the system sends this message to
/// the owner of a combo box or list box created with the CBS_SORT or LBS_SORT style.
/// </summary>
COMPAREITEM = 0x0039,
/// <summary>
/// Active Accessibility sends the WM_GETOBJECT message to obtain information about an accessible object contained in a
/// server application.
/// Applications never send this message directly. It is sent only by Active Accessibility in response to calls to
/// AccessibleObjectFromPoint, AccessibleObjectFromEvent, or AccessibleObjectFromWindow. However, server applications
/// handle this message.
/// </summary>
GETOBJECT = 0x003D,
/// <summary>
/// The WM_COMPACTING message is sent to all top-level windows when the system detects more than 12.5 percent of system
/// time over a 30- to 60-second interval is being spent compacting memory. This indicates that system memory is low.
/// </summary>
COMPACTING = 0x0041,
/// <summary>
/// WM_COMMNOTIFY is Obsolete for Win32-Based Applications
/// </summary>
[Obsolete] COMMNOTIFY = 0x0044,
/// <summary>
/// The WM_WINDOWPOSCHANGING message is sent to a window whose size, position, or place in the Z order is about to
/// change as a result of a call to the SetWindowPos function or another window-management function.
/// </summary>
WINDOWPOSCHANGING = 0x0046,
/// <summary>
/// The WM_WINDOWPOSCHANGED message is sent to a window whose size, position, or place in the Z order has changed as a
/// result of a call to the SetWindowPos function or another window-management function.
/// </summary>
WINDOWPOSCHANGED = 0x0047,
/// <summary>
/// Notifies applications that the system, typically a battery-powered personal computer, is about to enter a suspended
/// mode.
/// Use: POWERBROADCAST
/// </summary>
[Obsolete] POWER = 0x0048,
/// <summary>
/// An application sends the WM_COPYDATA message to pass data to another application.
/// </summary>
COPYDATA = 0x004A,
/// <summary>
/// The WM_CANCELJOURNAL message is posted to an application when a user cancels the application's journaling
/// activities. The message is posted with a NULL window handle.
/// </summary>
CANCELJOURNAL = 0x004B,
/// <summary>
/// Sent by a common control to its parent window when an event has occurred or the control requires some information.
/// </summary>
NOTIFY = 0x004E,
/// <summary>
/// The WM_INPUTLANGCHANGEREQUEST message is posted to the window with the focus when the user chooses a new input
/// language, either with the hotkey (specified in the Keyboard control panel application) or from the indicator on the
/// system taskbar. An application can accept the change by passing the message to the DefWindowProc function or reject
/// the change (and prevent it from taking place) by returning immediately.
/// </summary>
INPUTLANGCHANGEREQUEST = 0x0050,
/// <summary>
/// The WM_INPUTLANGCHANGE message is sent to the topmost affected window after an application's input language has
/// been changed. You should make any application-specific settings and pass the message to the DefWindowProc function,
/// which passes the message to all first-level child windows. These child windows can pass the message to
/// DefWindowProc to have it pass the message to their child windows, and so on.
/// </summary>
INPUTLANGCHANGE = 0x0051,
/// <summary>
/// Sent to an application that has initiated a training card with Microsoft Windows Help. The message informs the
/// application when the user clicks an authorable button. An application initiates a training card by specifying the
/// HELP_TCARD command in a call to the WinHelp function.
/// </summary>
TCARD = 0x0052,
/// <summary>
/// Indicates that the user pressed the F1 key. If a menu is active when F1 is pressed, WM_HELP is sent to the window
/// associated with the menu; otherwise, WM_HELP is sent to the window that has the keyboard focus. If no window has
/// the keyboard focus, WM_HELP is sent to the currently active window.
/// </summary>
HELP = 0x0053,
/// <summary>
/// The WM_USERCHANGED message is sent to all windows after the user has logged on or off. When the user logs on or
/// off, the system updates the user-specific settings. The system sends this message immediately after updating the
/// settings.
/// </summary>
USERCHANGED = 0x0054,
/// <summary>
/// Determines if a window accepts ANSI or Unicode structures in the WM_NOTIFY notification message. WM_NOTIFYFORMAT
/// messages are sent from a common control to its parent window and from the parent window to the common control.
/// </summary>
NOTIFYFORMAT = 0x0055,
/// <summary>
/// The WM_CONTEXTMENU message notifies a window that the user clicked the right mouse button (right-clicked) in the
/// window.
/// </summary>
CONTEXTMENU = 0x007B,
/// <summary>
/// The WM_STYLECHANGING message is sent to a window when the SetWindowLong function is about to change one or more of
/// the window's styles.
/// </summary>
STYLECHANGING = 0x007C,
/// <summary>
/// The WM_STYLECHANGED message is sent to a window after the SetWindowLong function has changed one or more of the
/// window's styles
/// </summary>
STYLECHANGED = 0x007D,
/// <summary>
/// The WM_DISPLAYCHANGE message is sent to all windows when the display resolution has changed.
/// </summary>
DISPLAYCHANGE = 0x007E,
/// <summary>
/// The WM_GETICON message is sent to a window to retrieve a handle to the large or small icon associated with a
/// window. The system displays the large icon in the ALT+TAB dialog, and the small icon in the window caption.
/// </summary>
GETICON = 0x007F,
/// <summary>
/// An application sends the WM_SETICON message to associate a new large or small icon with a window. The system
/// displays the large icon in the ALT+TAB dialog box, and the small icon in the window caption.
/// </summary>
SETICON = 0x0080,
/// <summary>
/// The WM_NCCREATE message is sent prior to the WM_CREATE message when a window is first created.
/// </summary>
NCCREATE = 0x0081,
/// <summary>
/// The WM_NCDESTROY message informs a window that its nonclient area is being destroyed. The DestroyWindow function
/// sends the WM_NCDESTROY message to the window following the WM_DESTROY message. WM_DESTROY is used to free the
/// allocated memory object associated with the window.
/// The WM_NCDESTROY message is sent after the child windows have been destroyed. In contrast, WM_DESTROY is sent
/// before the child windows are destroyed.
/// </summary>
NCDESTROY = 0x0082,
/// <summary>
/// The WM_NCCALCSIZE message is sent when the size and position of a window's client area must be calculated. By
/// processing this message, an application can control the content of the window's client area when the size or
/// position of the window changes.
/// </summary>
NCCALCSIZE = 0x0083,
/// <summary>
/// The WM_NCHITTEST message is sent to a window when the cursor moves, or when a mouse button is pressed or released.
/// If the mouse is not captured, the message is sent to the window beneath the cursor. Otherwise, the message is sent
/// to the window that has captured the mouse.
/// </summary>
NCHITTEST = 0x0084,
/// <summary>
/// The WM_NCPAINT message is sent to a window when its frame must be painted.
/// </summary>
NCPAINT = 0x0085,
/// <summary>
/// The WM_NCACTIVATE message is sent to a window when its nonclient area needs to be changed to indicate an active or
/// inactive state.
/// </summary>
NCACTIVATE = 0x0086,
/// <summary>
/// The WM_GETDLGCODE message is sent to the window procedure associated with a control. By default, the system handles
/// all keyboard input to the control; the system interprets certain types of keyboard input as dialog box navigation
/// keys. To override this default behavior, the control can respond to the WM_GETDLGCODE message to indicate the types
/// of input it wants to process itself.
/// </summary>
GETDLGCODE = 0x0087,
/// <summary>
/// The WM_SYNCPAINT message is used to synchronize painting while avoiding linking independent GUI threads.
/// </summary>
SYNCPAINT = 0x0088,
/// <summary>
/// The WM_NCMOUSEMOVE message is posted to a window when the cursor is moved within the nonclient area of the window.
/// This message is posted to the window that contains the cursor. If a window has captured the mouse, this message is
/// not posted.
/// </summary>
NCMOUSEMOVE = 0x00A0,
/// <summary>
/// The WM_NCLBUTTONDOWN message is posted when the user presses the left mouse button while the cursor is within the
/// nonclient area of a window. This message is posted to the window that contains the cursor. If a window has captured
/// the mouse, this message is not posted.
/// </summary>
NCLBUTTONDOWN = 0x00A1,
/// <summary>
/// The WM_NCLBUTTONUP message is posted when the user releases the left mouse button while the cursor is within the
/// nonclient area of a window. This message is posted to the window that contains the cursor. If a window has captured
/// the mouse, this message is not posted.
/// </summary>
NCLBUTTONUP = 0x00A2,
/// <summary>
/// The WM_NCLBUTTONDBLCLK message is posted when the user double-clicks the left mouse button while the cursor is
/// within the nonclient area of a window. This message is posted to the window that contains the cursor. If a window
/// has captured the mouse, this message is not posted.
/// </summary>
NCLBUTTONDBLCLK = 0x00A3,
/// <summary>
/// The WM_NCRBUTTONDOWN message is posted when the user presses the right mouse button while the cursor is within the
/// nonclient area of a window. This message is posted to the window that contains the cursor. If a window has captured
/// the mouse, this message is not posted.
/// </summary>
NCRBUTTONDOWN = 0x00A4,
/// <summary>
/// The WM_NCRBUTTONUP message is posted when the user releases the right mouse button while the cursor is within the
/// nonclient area of a window. This message is posted to the window that contains the cursor. If a window has captured
/// the mouse, this message is not posted.
/// </summary>
NCRBUTTONUP = 0x00A5,
/// <summary>
/// The WM_NCRBUTTONDBLCLK message is posted when the user double-clicks the right mouse button while the cursor is
/// within the nonclient area of a window. This message is posted to the window that contains the cursor. If a window
/// has captured the mouse, this message is not posted.
/// </summary>
NCRBUTTONDBLCLK = 0x00A6,
/// <summary>
/// The WM_NCMBUTTONDOWN message is posted when the user presses the middle mouse button while the cursor is within the
/// nonclient area of a window. This message is posted to the window that contains the cursor. If a window has captured
/// the mouse, this message is not posted.
/// </summary>
NCMBUTTONDOWN = 0x00A7,
/// <summary>
/// The WM_NCMBUTTONUP message is posted when the user releases the middle mouse button while the cursor is within the
/// nonclient area of a window. This message is posted to the window that contains the cursor. If a window has captured
/// the mouse, this message is not posted.
/// </summary>
NCMBUTTONUP = 0x00A8,
/// <summary>
/// The WM_NCMBUTTONDBLCLK message is posted when the user double-clicks the middle mouse button while the cursor is
/// within the nonclient area of a window. This message is posted to the window that contains the cursor. If a window
/// has captured the mouse, this message is not posted.
/// </summary>
NCMBUTTONDBLCLK = 0x00A9,
/// <summary>
/// The WM_NCXBUTTONDOWN message is posted when the user presses the first or second X button while the cursor is in
/// the nonclient area of a window. This message is posted to the window that contains the cursor. If a window has
/// captured the mouse, this message is not posted.
/// </summary>
NCXBUTTONDOWN = 0x00AB,
/// <summary>
/// The WM_NCXBUTTONUP message is posted when the user releases the first or second X button while the cursor is in the
/// nonclient area of a window. This message is posted to the window that contains the cursor. If a window has captured
/// the mouse, this message is not posted.
/// </summary>
NCXBUTTONUP = 0x00AC,
/// <summary>
/// The WM_NCXBUTTONDBLCLK message is posted when the user double-clicks the first or second X button while the cursor
/// is in the nonclient area of a window. This message is posted to the window that contains the cursor. If a window
/// has captured the mouse, this message is not posted.
/// </summary>
NCXBUTTONDBLCLK = 0x00AD,
/// <summary>
/// The WM_INPUT_DEVICE_CHANGE message is sent to the window that registered to receive raw input. A window receives
/// this message through its WindowProc function.
/// </summary>
INPUT_DEVICE_CHANGE = 0x00FE,
/// <summary>
/// The WM_INPUT message is sent to the window that is getting raw input.
/// </summary>
INPUT = 0x00FF,
/// <summary>
/// This message filters for keyboard messages.
/// </summary>
KEYFIRST = 0x0100,
/// <summary>
/// The WM_KEYDOWN message is posted to the window with the keyboard focus when a nonsystem key is pressed. A nonsystem
/// key is a key that is pressed when the ALT key is not pressed.
/// </summary>
KEYDOWN = 0x0100,
/// <summary>
/// The WM_KEYUP message is posted to the window with the keyboard focus when a nonsystem key is released. A nonsystem
/// key is a key that is pressed when the ALT key is not pressed, or a keyboard key that is pressed when a window has
/// the keyboard focus.
/// </summary>
KEYUP = 0x0101,
/// <summary>
/// The WM_CHAR message is posted to the window with the keyboard focus when a WM_KEYDOWN message is translated by the
/// TranslateMessage function. The WM_CHAR message contains the character code of the key that was pressed.
/// </summary>
CHAR = 0x0102,
/// <summary>
/// The WM_DEADCHAR message is posted to the window with the keyboard focus when a WM_KEYUP message is translated by
/// the TranslateMessage function. WM_DEADCHAR specifies a character code generated by a dead key. A dead key is a key
/// that generates a character, such as the umlaut (double-dot), that is combined with another character to form a
/// composite character. For example, the umlaut-O character (Ö) is generated by typing the dead key for the umlaut
/// character, and then typing the O key.
/// </summary>
DEADCHAR = 0x0103,
/// <summary>
/// The WM_SYSKEYDOWN message is posted to the window with the keyboard focus when the user presses the F10 key (which
/// activates the menu bar) or holds down the ALT key and then presses another key. It also occurs when no window
/// currently has the keyboard focus; in this case, the WM_SYSKEYDOWN message is sent to the active window. The window
/// that receives the message can distinguish between these two contexts by checking the context code in the lParam
/// parameter.
/// </summary>
SYSKEYDOWN = 0x0104,
/// <summary>
/// The WM_SYSKEYUP message is posted to the window with the keyboard focus when the user releases a key that was
/// pressed while the ALT key was held down. It also occurs when no window currently has the keyboard focus; in this
/// case, the WM_SYSKEYUP message is sent to the active window. The window that receives the message can distinguish
/// between these two contexts by checking the context code in the lParam parameter.
/// </summary>
SYSKEYUP = 0x0105,
/// <summary>
/// The WM_SYSCHAR message is posted to the window with the keyboard focus when a WM_SYSKEYDOWN message is translated
/// by the TranslateMessage function. It specifies the character code of a system character key — that is, a character
/// key that is pressed while the ALT key is down.
/// </summary>
SYSCHAR = 0x0106,
/// <summary>
/// The WM_SYSDEADCHAR message is sent to the window with the keyboard focus when a WM_SYSKEYDOWN message is translated
/// by the TranslateMessage function. WM_SYSDEADCHAR specifies the character code of a system dead key — that is, a
/// dead key that is pressed while holding down the ALT key.
/// </summary>
SYSDEADCHAR = 0x0107,
/// <summary>
/// The WM_UNICHAR message is posted to the window with the keyboard focus when a WM_KEYDOWN message is translated by
/// the TranslateMessage function. The WM_UNICHAR message contains the character code of the key that was pressed.
/// The WM_UNICHAR message is equivalent to WM_CHAR, but it uses Unicode Transformation Format (UTF)-32, whereas
/// WM_CHAR uses UTF-16. It is designed to send or post Unicode characters to ANSI windows and it can can handle
/// Unicode Supplementary Plane characters.
/// </summary>
UNICHAR = 0x0109,
/// <summary>
/// This message filters for keyboard messages.
/// </summary>
KEYLAST = 0x0108,
/// <summary>
/// Sent immediately before the IME generates the composition string as a result of a keystroke. A window receives this
/// message through its WindowProc function.
/// </summary>
IME_STARTCOMPOSITION = 0x010D,
/// <summary>
/// Sent to an application when the IME ends composition. A window receives this message through its WindowProc
/// function.
/// </summary>
IME_ENDCOMPOSITION = 0x010E,
/// <summary>
/// Sent to an application when the IME changes composition status as a result of a keystroke. A window receives this
/// message through its WindowProc function.
/// </summary>
IME_COMPOSITION = 0x010F,
IME_KEYLAST = 0x010F,
/// <summary>
/// The WM_INITDIALOG message is sent to the dialog box procedure immediately before a dialog box is displayed. Dialog
/// box procedures typically use this message to initialize controls and carry out any other initialization tasks that
/// affect the appearance of the dialog box.
/// </summary>
INITDIALOG = 0x0110,
/// <summary>
/// The WM_COMMAND message is sent when the user selects a command item from a menu, when a control sends a
/// notification message to its parent window, or when an accelerator keystroke is translated.
/// </summary>
COMMAND = 0x0111,
/// <summary>
/// A window receives this message when the user chooses a command from the Window menu, clicks the maximize button,
/// minimize button, restore button, close button, or moves the form. You can stop the form from moving by filtering
/// this out.
/// </summary>
SYSCOMMAND = 0x0112,
/// <summary>
/// The WM_TIMER message is posted to the installing thread's message queue when a timer expires. The message is posted
/// by the GetMessage or PeekMessage function.
/// </summary>
TIMER = 0x0113,
/// <summary>
/// The WM_HSCROLL message is sent to a window when a scroll event occurs in the window's standard horizontal scroll
/// bar. This message is also sent to the owner of a horizontal scroll bar control when a scroll event occurs in the
/// control.
/// </summary>
HSCROLL = 0x0114,
/// <summary>
/// The WM_VSCROLL message is sent to a window when a scroll event occurs in the window's standard vertical scroll bar.
/// This message is also sent to the owner of a vertical scroll bar control when a scroll event occurs in the control.
/// </summary>
VSCROLL = 0x0115,
/// <summary>
/// The WM_INITMENU message is sent when a menu is about to become active. It occurs when the user clicks an item on
/// the menu bar or presses a menu key. This allows the application to modify the menu before it is displayed.
/// </summary>
INITMENU = 0x0116,
/// <summary>
/// The WM_INITMENUPOPUP message is sent when a drop-down menu or submenu is about to become active. This allows an
/// application to modify the menu before it is displayed, without changing the entire menu.
/// </summary>
INITMENUPOPUP = 0x0117,
/// <summary>
/// The WM_MENUSELECT message is sent to a menu's owner window when the user selects a menu item.
/// </summary>
MENUSELECT = 0x011F,
/// <summary>
/// The WM_MENUCHAR message is sent when a menu is active and the user presses a key that does not correspond to any
/// mnemonic or accelerator key. This message is sent to the window that owns the menu.
/// </summary>
MENUCHAR = 0x0120,
/// <summary>
/// The WM_ENTERIDLE message is sent to the owner window of a modal dialog box or menu that is entering an idle state.
/// A modal dialog box or menu enters an idle state when no messages are waiting in its queue after it has processed
/// one or more previous messages.
/// </summary>
ENTERIDLE = 0x0121,
/// <summary>
/// The WM_MENURBUTTONUP message is sent when the user releases the right mouse button while the cursor is on a menu
/// item.
/// </summary>
MENURBUTTONUP = 0x0122,
/// <summary>
/// The WM_MENUDRAG message is sent to the owner of a drag-and-drop menu when the user drags a menu item.
/// </summary>
MENUDRAG = 0x0123,
/// <summary>
/// The WM_MENUGETOBJECT message is sent to the owner of a drag-and-drop menu when the mouse cursor enters a menu item
/// or moves from the center of the item to the top or bottom of the item.
/// </summary>
MENUGETOBJECT = 0x0124,
/// <summary>
/// The WM_UNINITMENUPOPUP message is sent when a drop-down menu or submenu has been destroyed.
/// </summary>
UNINITMENUPOPUP = 0x0125,
/// <summary>
/// The WM_MENUCOMMAND message is sent when the user makes a selection from a menu.
/// </summary>
MENUCOMMAND = 0x0126,
/// <summary>
/// An application sends the WM_CHANGEUISTATE message to indicate that the user interface (UI) state should be changed.
/// </summary>
CHANGEUISTATE = 0x0127,
/// <summary>
/// An application sends the WM_UPDATEUISTATE message to change the user interface (UI) state for the specified window
/// and all its child windows.
/// </summary>
UPDATEUISTATE = 0x0128,
/// <summary>
/// An application sends the WM_QUERYUISTATE message to retrieve the user interface (UI) state for a window.
/// </summary>
QUERYUISTATE = 0x0129,
/// <summary>
/// The WM_CTLCOLORMSGBOX message is sent to the owner window of a message box before Windows draws the message box. By
/// responding to this message, the owner window can set the text and background colors of the message box by using the
/// given display device context handle.
/// </summary>
CTLCOLORMSGBOX = 0x0132,
/// <summary>
/// An edit control that is not read-only or disabled sends the WM_CTLCOLOREDIT message to its parent window when the
/// control is about to be drawn. By responding to this message, the parent window can use the specified device context
/// handle to set the text and background colors of the edit control.
/// </summary>
CTLCOLOREDIT = 0x0133,
/// <summary>
/// Sent to the parent window of a list box before the system draws the list box. By responding to this message, the
/// parent window can set the text and background colors of the list box by using the specified display device context
/// handle.
/// </summary>
CTLCOLORLISTBOX = 0x0134,
/// <summary>
/// The WM_CTLCOLORBTN message is sent to the parent window of a button before drawing the button. The parent window
/// can change the button's text and background colors. However, only owner-drawn buttons respond to the parent window
/// processing this message.
/// </summary>
CTLCOLORBTN = 0x0135,
/// <summary>
/// The WM_CTLCOLORDLG message is sent to a dialog box before the system draws the dialog box. By responding to this
/// message, the dialog box can set its text and background colors using the specified display device context handle.
/// </summary>
CTLCOLORDLG = 0x0136,
/// <summary>
/// The WM_CTLCOLORSCROLLBAR message is sent to the parent window of a scroll bar control when the control is about to
/// be drawn. By responding to this message, the parent window can use the display context handle to set the background
/// color of the scroll bar control.
/// </summary>
CTLCOLORSCROLLBAR = 0x0137,
/// <summary>
/// A static control, or an edit control that is read-only or disabled, sends the WM_CTLCOLORSTATIC message to its
/// parent window when the control is about to be drawn. By responding to this message, the parent window can use the
/// specified device context handle to set the text and background colors of the static control.
/// </summary>
CTLCOLORSTATIC = 0x0138,
/// <summary>
/// Use WM_MOUSEFIRST to specify the first mouse message. Use the PeekMessage() Function.
/// </summary>
MOUSEFIRST = 0x0200,
/// <summary>
/// The WM_MOUSEMOVE message is posted to a window when the cursor moves. If the mouse is not captured, the message is
/// posted to the window that contains the cursor. Otherwise, the message is posted to the window that has captured the
/// mouse.
/// </summary>
MOUSEMOVE = 0x0200,
/// <summary>
/// The WM_LBUTTONDOWN message is posted when the user presses the left mouse button while the cursor is in the client
/// area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor. Otherwise,
/// the message is posted to the window that has captured the mouse.
/// </summary>
LBUTTONDOWN = 0x0201,
/// <summary>
/// The WM_LBUTTONUP message is posted when the user releases the left mouse button while the cursor is in the client
/// area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor. Otherwise,
/// the message is posted to the window that has captured the mouse.
/// </summary>
LBUTTONUP = 0x0202,
/// <summary>
/// The WM_LBUTTONDBLCLK message is posted when the user double-clicks the left mouse button while the cursor is in the
/// client area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor.
/// Otherwise, the message is posted to the window that has captured the mouse.
/// </summary>
LBUTTONDBLCLK = 0x0203,
/// <summary>
/// The WM_RBUTTONDOWN message is posted when the user presses the right mouse button while the cursor is in the client
/// area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor. Otherwise,
/// the message is posted to the window that has captured the mouse.
/// </summary>
RBUTTONDOWN = 0x0204,
/// <summary>
/// The WM_RBUTTONUP message is posted when the user releases the right mouse button while the cursor is in the client
/// area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor. Otherwise,
/// the message is posted to the window that has captured the mouse.
/// </summary>
RBUTTONUP = 0x0205,
/// <summary>
/// The WM_RBUTTONDBLCLK message is posted when the user double-clicks the right mouse button while the cursor is in
/// the client area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor.
/// Otherwise, the message is posted to the window that has captured the mouse.
/// </summary>
RBUTTONDBLCLK = 0x0206,
/// <summary>
/// The WM_MBUTTONDOWN message is posted when the user presses the middle mouse button while the cursor is in the
/// client area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor.
/// Otherwise, the message is posted to the window that has captured the mouse.
/// </summary>
MBUTTONDOWN = 0x0207,
/// <summary>
/// The WM_MBUTTONUP message is posted when the user releases the middle mouse button while the cursor is in the client
/// area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor. Otherwise,
/// the message is posted to the window that has captured the mouse.
/// </summary>
MBUTTONUP = 0x0208,
/// <summary>
/// The WM_MBUTTONDBLCLK message is posted when the user double-clicks the middle mouse button while the cursor is in
/// the client area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor.
/// Otherwise, the message is posted to the window that has captured the mouse.
/// </summary>
MBUTTONDBLCLK = 0x0209,
/// <summary>
/// The WM_MOUSEWHEEL message is sent to the focus window when the mouse wheel is rotated. The DefWindowProc function
/// propagates the message to the window's parent. There should be no internal forwarding of the message, since
/// DefWindowProc propagates it up the parent chain until it finds a window that processes it.
/// </summary>
MOUSEWHEEL = 0x020A,
/// <summary>
/// The WM_XBUTTONDOWN message is posted when the user presses the first or second X button while the cursor is in the
/// client area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor.
/// Otherwise, the message is posted to the window that has captured the mouse.
/// </summary>
XBUTTONDOWN = 0x020B,
/// <summary>
/// The WM_XBUTTONUP message is posted when the user releases the first or second X button while the cursor is in the
/// client area of a window. If the mouse is not captured, the message is posted to the window beneath the cursor.
/// Otherwise, the message is posted to the window that has captured the mouse.
/// </summary>
XBUTTONUP = 0x020C,
/// <summary>
/// The WM_XBUTTONDBLCLK message is posted when the user double-clicks the first or second X button while the cursor is
/// in the client area of a window. If the mouse is not captured, the message is posted to the window beneath the
/// cursor. Otherwise, the message is posted to the window that has captured the mouse.
/// </summary>
XBUTTONDBLCLK = 0x020D,
/// <summary>
/// The WM_MOUSEHWHEEL message is sent to the focus window when the mouse's horizontal scroll wheel is tilted or
/// rotated. The DefWindowProc function propagates the message to the window's parent. There should be no internal
/// forwarding of the message, since DefWindowProc propagates it up the parent chain until it finds a window that
/// processes it.
/// </summary>
MOUSEHWHEEL = 0x020E,
/// <summary>
/// Use WM_MOUSELAST to specify the last mouse message. Used with PeekMessage() Function.
/// </summary>
MOUSELAST = 0x020E,
/// <summary>
/// The WM_PARENTNOTIFY message is sent to the parent of a child window when the child window is created or destroyed,
/// or when the user clicks a mouse button while the cursor is over the child window. When the child window is being
/// created, the system sends WM_PARENTNOTIFY just before the CreateWindow or CreateWindowEx function that creates the
/// window returns. When the child window is being destroyed, the system sends the message before any processing to
/// destroy the window takes place.
/// </summary>
PARENTNOTIFY = 0x0210,
/// <summary>
/// The WM_ENTERMENULOOP message informs an application's main window procedure that a menu modal loop has been
/// entered.
/// </summary>
ENTERMENULOOP = 0x0211,
/// <summary>
/// The WM_EXITMENULOOP message informs an application's main window procedure that a menu modal loop has been exited.
/// </summary>
EXITMENULOOP = 0x0212,
/// <summary>
/// The WM_NEXTMENU message is sent to an application when the right or left arrow key is used to switch between the
/// menu bar and the system menu.
/// </summary>
NEXTMENU = 0x0213,
/// <summary>
/// The WM_SIZING message is sent to a window that the user is resizing. By processing this message, an application can
/// monitor the size and position of the drag rectangle and, if needed, change its size or position.
/// </summary>
SIZING = 0x0214,
/// <summary>
/// The WM_CAPTURECHANGED message is sent to the window that is losing the mouse capture.
/// </summary>
CAPTURECHANGED = 0x0215,
/// <summary>
/// The WM_MOVING message is sent to a window that the user is moving. By processing this message, an application can
/// monitor the position of the drag rectangle and, if needed, change its position.
/// </summary>
MOVING = 0x0216,
/// <summary>
/// Notifies applications that a power-management event has occurred.
/// </summary>
POWERBROADCAST = 0x0218,
/// <summary>
/// Notifies an application of a change to the hardware configuration of a device or the computer.
/// </summary>
DEVICECHANGE = 0x0219,
/// <summary>
/// An application sends the WM_MDICREATE message to a multiple-document interface (MDI) client window to create an MDI
/// child window.
/// </summary>
MDICREATE = 0x0220,
/// <summary>
/// An application sends the WM_MDIDESTROY message to a multiple-document interface (MDI) client window to close an MDI
/// child window.
/// </summary>
MDIDESTROY = 0x0221,
/// <summary>
/// An application sends the WM_MDIACTIVATE message to a multiple-document interface (MDI) client window to instruct
/// the client window to activate a different MDI child window.
/// </summary>
MDIACTIVATE = 0x0222,
/// <summary>
/// An application sends the WM_MDIRESTORE message to a multiple-document interface (MDI) client window to restore an
/// MDI child window from maximized or minimized size.
/// </summary>
MDIRESTORE = 0x0223,
/// <summary>
/// An application sends the WM_MDINEXT message to a multiple-document interface (MDI) client window to activate the
/// next or previous child window.
/// </summary>
MDINEXT = 0x0224,
/// <summary>
/// An application sends the WM_MDIMAXIMIZE message to a multiple-document interface (MDI) client window to maximize an
/// MDI child window. The system resizes the child window to make its client area fill the client window. The system
/// places the child window's window menu icon in the rightmost position of the frame window's menu bar, and places the
/// child window's restore icon in the leftmost position. The system also appends the title bar text of the child
/// window to that of the frame window.
/// </summary>
MDIMAXIMIZE = 0x0225,
/// <summary>
/// An application sends the WM_MDITILE message to a multiple-document interface (MDI) client window to arrange all of
/// its MDI child windows in a tile format.
/// </summary>
MDITILE = 0x0226,
/// <summary>
/// An application sends the WM_MDICASCADE message to a multiple-document interface (MDI) client window to arrange all
/// its child windows in a cascade format.
/// </summary>
MDICASCADE = 0x0227,
/// <summary>
/// An application sends the WM_MDIICONARRANGE message to a multiple-document interface (MDI) client window to arrange
/// all minimized MDI child windows. It does not affect child windows that are not minimized.
/// </summary>
MDIICONARRANGE = 0x0228,
/// <summary>
/// An application sends the WM_MDIGETACTIVE message to a multiple-document interface (MDI) client window to retrieve
/// the handle to the active MDI child window.
/// </summary>
MDIGETACTIVE = 0x0229,
/// <summary>
/// An application sends the WM_MDISETMENU message to a multiple-document interface (MDI) client window to replace the
/// entire menu of an MDI frame window, to replace the window menu of the frame window, or both.
/// </summary>
MDISETMENU = 0x0230,
/// <summary>
/// The WM_ENTERSIZEMOVE message is sent one time to a window after it enters the moving or sizing modal loop. The
/// window enters the moving or sizing modal loop when the user clicks the window's title bar or sizing border, or when
/// the window passes the WM_SYSCOMMAND message to the DefWindowProc function and the wParam parameter of the message
/// specifies the SC_MOVE or SC_SIZE value. The operation is complete when DefWindowProc returns.
/// The system sends the WM_ENTERSIZEMOVE message regardless of whether the dragging of full windows is enabled.
/// </summary>
ENTERSIZEMOVE = 0x0231,
/// <summary>
/// The WM_EXITSIZEMOVE message is sent one time to a window, after it has exited the moving or sizing modal loop. The
/// window enters the moving or sizing modal loop when the user clicks the window's title bar or sizing border, or when
/// the window passes the WM_SYSCOMMAND message to the DefWindowProc function and the wParam parameter of the message
/// specifies the SC_MOVE or SC_SIZE value. The operation is complete when DefWindowProc returns.
/// </summary>
EXITSIZEMOVE = 0x0232,
/// <summary>
/// Sent when the user drops a file on the window of an application that has registered itself as a recipient of
/// dropped files.
/// </summary>
DROPFILES = 0x0233,
/// <summary>
/// An application sends the WM_MDIREFRESHMENU message to a multiple-document interface (MDI) client window to refresh
/// the window menu of the MDI frame window.
/// </summary>
MDIREFRESHMENU = 0x0234,
/// <summary>
/// Sent to an application when a window is activated. A window receives this message through its WindowProc function.
/// </summary>
IME_SETCONTEXT = 0x0281,
/// <summary>
/// Sent to an application to notify it of changes to the IME window. A window receives this message through its
/// WindowProc function.
/// </summary>
IME_NOTIFY = 0x0282,
/// <summary>
/// Sent by an application to direct the IME window to carry out the requested command. The application uses this
/// message to control the IME window that it has created. To send this message, the application calls the SendMessage
/// function with the following parameters.
/// </summary>
IME_CONTROL = 0x0283,
/// <summary>
/// Sent to an application when the IME window finds no space to extend the area for the composition window. A window
/// receives this message through its WindowProc function.
/// </summary>
IME_COMPOSITIONFULL = 0x0284,
/// <summary>
/// Sent to an application when the operating system is about to change the current IME. A window receives this message
/// through its WindowProc function.
/// </summary>
IME_SELECT = 0x0285,
/// <summary>
/// Sent to an application when the IME gets a character of the conversion result. A window receives this message
/// through its WindowProc function.
/// </summary>
IME_CHAR = 0x0286,
/// <summary>
/// Sent to an application to provide commands and request information. A window receives this message through its
/// WindowProc function.
/// </summary>
IME_REQUEST = 0x0288,
/// <summary>
/// Sent to an application by the IME to notify the application of a key press and to keep message order. A window
/// receives this message through its WindowProc function.
/// </summary>
IME_KEYDOWN = 0x0290,
/// <summary>
/// Sent to an application by the IME to notify the application of a key release and to keep message order. A window
/// receives this message through its WindowProc function.
/// </summary>
IME_KEYUP = 0x0291,
/// <summary>
/// The WM_MOUSEHOVER message is posted to a window when the cursor hovers over the client area of the window for the
/// period of time specified in a prior call to TrackMouseEvent.
/// </summary>
MOUSEHOVER = 0x02A1,
/// <summary>
/// The WM_MOUSELEAVE message is posted to a window when the cursor leaves the client area of the window specified in a
/// prior call to TrackMouseEvent.
/// </summary>
MOUSELEAVE = 0x02A3,
/// <summary>
/// The WM_NCMOUSEHOVER message is posted to a window when the cursor hovers over the nonclient area of the window for
/// the period of time specified in a prior call to TrackMouseEvent.
/// </summary>
NCMOUSEHOVER = 0x02A0,
/// <summary>
/// The WM_NCMOUSELEAVE message is posted to a window when the cursor leaves the nonclient area of the window specified
/// in a prior call to TrackMouseEvent.
/// </summary>
NCMOUSELEAVE = 0x02A2,
/// <summary>
/// The WM_WTSSESSION_CHANGE message notifies applications of changes in session state.
/// </summary>
WTSSESSION_CHANGE = 0x02B1,
TABLET_FIRST = 0x02c0,
TABLET_LAST = 0x02df,
/// <summary>
/// An application sends a WM_CUT message to an edit control or combo box to delete (cut) the current selection, if
/// any, in the edit control and copy the deleted text to the clipboard in CF_TEXT format.
/// </summary>
CUT = 0x0300,
/// <summary>
/// An application sends the WM_COPY message to an edit control or combo box to copy the current selection to the
/// clipboard in CF_TEXT format.
/// </summary>
COPY = 0x0301,
/// <summary>
/// An application sends a WM_PASTE message to an edit control or combo box to copy the current content of the
/// clipboard to the edit control at the current caret position. Data is inserted only if the clipboard contains data
/// in CF_TEXT format.
/// </summary>
PASTE = 0x0302,
/// <summary>
/// An application sends a WM_CLEAR message to an edit control or combo box to delete (clear) the current selection, if
/// any, from the edit control.
/// </summary>
CLEAR = 0x0303,
/// <summary>
/// An application sends a WM_UNDO message to an edit control to undo the last operation. When this message is sent to
/// an edit control, the previously deleted text is restored or the previously added text is deleted.
/// </summary>
UNDO = 0x0304,
/// <summary>
/// The WM_RENDERFORMAT message is sent to the clipboard owner if it has delayed rendering a specific clipboard format
/// and if an application has requested data in that format. The clipboard owner must render data in the specified
/// format and place it on the clipboard by calling the SetClipboardData function.
/// </summary>
RENDERFORMAT = 0x0305,
/// <summary>
/// The WM_RENDERALLFORMATS message is sent to the clipboard owner before it is destroyed, if the clipboard owner has
/// delayed rendering one or more clipboard formats. For the content of the clipboard to remain available to other
/// applications, the clipboard owner must render data in all the formats it is capable of generating, and place the
/// data on the clipboard by calling the SetClipboardData function.
/// </summary>
RENDERALLFORMATS = 0x0306,
/// <summary>
/// The WM_DESTROYCLIPBOARD message is sent to the clipboard owner when a call to the EmptyClipboard function empties
/// the clipboard.
/// </summary>
DESTROYCLIPBOARD = 0x0307,
/// <summary>
/// The WM_DRAWCLIPBOARD message is sent to the first window in the clipboard viewer chain when the content of the
/// clipboard changes. This enables a clipboard viewer window to display the new content of the clipboard.
/// </summary>
DRAWCLIPBOARD = 0x0308,
/// <summary>
/// The WM_PAINTCLIPBOARD message is sent to the clipboard owner by a clipboard viewer window when the clipboard
/// contains data in the CF_OWNERDISPLAY format and the clipboard viewer's client area needs repainting.
/// </summary>
PAINTCLIPBOARD = 0x0309,
/// <summary>
/// The WM_VSCROLLCLIPBOARD message is sent to the clipboard owner by a clipboard viewer window when the clipboard
/// contains data in the CF_OWNERDISPLAY format and an event occurs in the clipboard viewer's vertical scroll bar. The
/// owner should scroll the clipboard image and update the scroll bar values.
/// </summary>
VSCROLLCLIPBOARD = 0x030A,
/// <summary>
/// The WM_SIZECLIPBOARD message is sent to the clipboard owner by a clipboard viewer window when the clipboard
/// contains data in the CF_OWNERDISPLAY format and the clipboard viewer's client area has changed size.
/// </summary>
SIZECLIPBOARD = 0x030B,
/// <summary>
/// The WM_ASKCBFORMATNAME message is sent to the clipboard owner by a clipboard viewer window to request the name of a
/// CF_OWNERDISPLAY clipboard format.
/// </summary>
ASKCBFORMATNAME = 0x030C,
/// <summary>
/// The WM_CHANGECBCHAIN message is sent to the first window in the clipboard viewer chain when a window is being
/// removed from the chain.
/// </summary>
CHANGECBCHAIN = 0x030D,
/// <summary>
/// The WM_HSCROLLCLIPBOARD message is sent to the clipboard owner by a clipboard viewer window. This occurs when the
/// clipboard contains data in the CF_OWNERDISPLAY format and an event occurs in the clipboard viewer's horizontal
/// scroll bar. The owner should scroll the clipboard image and update the scroll bar values.
/// </summary>
HSCROLLCLIPBOARD = 0x030E,
/// <summary>
/// This message informs a window that it is about to receive the keyboard focus, giving the window the opportunity to
/// realize its logical palette when it receives the focus.
/// </summary>
QUERYNEWPALETTE = 0x030F,
/// <summary>
/// The WM_PALETTEISCHANGING message informs applications that an application is going to realize its logical palette.
/// </summary>
PALETTEISCHANGING = 0x0310,
/// <summary>
/// This message is sent by the OS to all top-level and overlapped windows after the window with the keyboard focus
/// realizes its logical palette.
/// This message enables windows that do not have the keyboard focus to realize their logical palettes and update their
/// client areas.
/// </summary>
PALETTECHANGED = 0x0311,
/// <summary>
/// The WM_HOTKEY message is posted when the user presses a hot key registered by the RegisterHotKey function. The
/// message is placed at the top of the message queue associated with the thread that registered the hot key.
/// </summary>
HOTKEY = 0x0312,
/// <summary>
/// The WM_PRINT message is sent to a window to request that it draw itself in the specified device context, most
/// commonly in a printer device context.
/// </summary>
PRINT = 0x0317,
/// <summary>
/// The WM_PRINTCLIENT message is sent to a window to request that it draw its client area in the specified device
/// context, most commonly in a printer device context.
/// </summary>
PRINTCLIENT = 0x0318,
/// <summary>
/// The WM_APPCOMMAND message notifies a window that the user generated an application command event, for example, by
/// clicking an application command button using the mouse or typing an application command key on the keyboard.
/// </summary>
APPCOMMAND = 0x0319,
/// <summary>
/// The WM_THEMECHANGED message is broadcast to every window following a theme change event. Examples of theme change
/// events are the activation of a theme, the deactivation of a theme, or a transition from one theme to another.
/// </summary>
THEMECHANGED = 0x031A,
/// <summary>
/// Sent when the contents of the clipboard have changed.
/// </summary>
CLIPBOARDUPDATE = 0x031D,
/// <summary>
/// The system will send a window the WM_DWMCOMPOSITIONCHANGED message to indicate that the availability of desktop
/// composition has changed.
/// </summary>
DWMCOMPOSITIONCHANGED = 0x031E,
/// <summary>
/// WM_DWMNCRENDERINGCHANGED is called when the non-client area rendering status of a window has changed. Only windows
/// that have set the flag DWM_BLURBEHIND.fTransitionOnMaximized to true will get this message.
/// </summary>
DWMNCRENDERINGCHANGED = 0x031F,
/// <summary>
/// Sent to all top-level windows when the colorization color has changed.
/// </summary>
DWMCOLORIZATIONCOLORCHANGED = 0x0320,
/// <summary>
/// WM_DWMWINDOWMAXIMIZEDCHANGE will let you know when a DWM composed window is maximized. You also have to register
/// for this message as well. You'd have other windowd go opaque when this message is sent.
/// </summary>
DWMWINDOWMAXIMIZEDCHANGE = 0x0321,
/// <summary>
/// Sent to request extended title bar information. A window receives this message through its WindowProc function.
/// </summary>
GETTITLEBARINFOEX = 0x033F,
HANDHELDFIRST = 0x0358,
HANDHELDLAST = 0x035F,
AFXFIRST = 0x0360,
AFXLAST = 0x037F,
PENWINFIRST = 0x0380,
PENWINLAST = 0x038F,
/// <summary>
/// The WM_APP constant is used by applications to help define private messages, usually of the form WM_APP+X, where X
/// is an integer value.
/// </summary>
APP = 0x8000,
/// <summary>
/// The WM_USER constant is used by applications to help define private messages for use by private window classes,
/// usually of the form WM_USER+X, where X is an integer value.
/// </summary>
USER = 0x0400,
/// <summary>
/// An application sends the WM_CPL_LAUNCH message to Windows Control Panel to request that a Control Panel application
/// be started.
/// </summary>
CPL_LAUNCH = USER + 0x1000,
/// <summary>
/// The WM_CPL_LAUNCHED message is sent when a Control Panel application, started by the WM_CPL_LAUNCH message, has
/// closed. The WM_CPL_LAUNCHED message is sent to the window identified by the wParam parameter of the WM_CPL_LAUNCH
/// message that started the application.
/// </summary>
CPL_LAUNCHED = USER + 0x1001,
/// <summary>
/// WM_SYSTIMER is a well-known yet still undocumented message. Windows uses WM_SYSTIMER for internal actions like
/// scrolling.
/// </summary>
SYSTIMER = 0x118,
/// <summary>
/// The accessibility state has changed.
/// </summary>
HSHELL_ACCESSIBILITYSTATE = 11,
/// <summary>
/// The shell should activate its main window.
/// </summary>
HSHELL_ACTIVATESHELLWINDOW = 3,
/// <summary>
/// The user completed an input event (for example, pressed an application command button on the mouse or an
/// application command key on the keyboard), and the application did not handle the WM_APPCOMMAND message generated by
/// that input.
/// If the Shell procedure handles the WM_COMMAND message, it should not call CallNextHookEx. See the Return Value
/// section for more information.
/// </summary>
HSHELL_APPCOMMAND = 12,
/// <summary>
/// A window is being minimized or maximized. The system needs the coordinates of the minimized rectangle for the
/// window.
/// </summary>
HSHELL_GETMINRECT = 5,
/// <summary>
/// Keyboard language was changed or a new keyboard layout was loaded.
/// </summary>
HSHELL_LANGUAGE = 8,
/// <summary>
/// The title of a window in the task bar has been redrawn.
/// </summary>
HSHELL_REDRAW = 6,
/// <summary>
/// The user has selected the task list. A shell application that provides a task list should return TRUE to prevent
/// Windows from starting its task list.
/// </summary>
HSHELL_TASKMAN = 7,
/// <summary>
/// A top-level, unowned window has been created. The window exists when the system calls this hook.
/// </summary>
HSHELL_WINDOWCREATED = 1,
/// <summary>
/// A top-level, unowned window is about to be destroyed. The window still exists when the system calls this hook.
/// </summary>
HSHELL_WINDOWDESTROYED = 2,
/// <summary>
/// The activation has changed to a different top-level, unowned window.
/// </summary>
HSHELL_WINDOWACTIVATED = 4,
/// <summary>
/// A top-level window is being replaced. The window exists when the system calls this hook.
/// </summary>
HSHELL_WINDOWREPLACED = 13
}
#endregion
#region Public Methods
[DllImport("User32.dll")]
public static extern IntPtr CallNextHookEx(
IntPtr hHook, int nCode, IntPtr wParam, IntPtr lParam);
[DllImport("User32.dll")]
public static extern IntPtr UnhookWindowsHookEx(IntPtr hHook);
[DllImport("User32.dll")]
public static extern IntPtr SetWindowsHookEx(
int idHook, HookDelegate lpfn, IntPtr hmod,
int dwThreadId);
/// <summary>
/// Retrieves the cursor's position, in screen coordinates.
/// </summary>
/// <see>See MSDN documentation for further information.</see>
[DllImport("user32.dll")]
public static extern bool GetCursorPos(out POINT lpPoint);
public static Point GetCursorPosition()
{
POINT lpPoint;
GetCursorPos(out lpPoint);
// NOTE: If you need error handling
// bool success = GetCursorPos(out lpPoint);
// if (!success)
return lpPoint;
}
#endregion
#region Nested Types
/// <summary>
/// Struct representing a point.
/// </summary>
[StructLayout(LayoutKind.Sequential)]
public struct POINT
{
public int X;
public int Y;
public static implicit operator Point(POINT point)
{
return new Point(point.X, point.Y);
}
}
#endregion
}
}
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