/trunk/Winify/Utilities/Miscellaneous.cs |
@@ -1,10 +1,9 @@ |
using System; |
using System.Collections.Generic; |
using System.Diagnostics; |
using System.Drawing; |
using System.IO; |
using System.Reflection; |
using System.Threading; |
using System.Runtime.InteropServices; |
using System.Threading.Tasks; |
using System.Windows.Forms; |
using Microsoft.Win32; |
@@ -15,20 +14,34 @@ |
{ |
#region Public Methods |
|
public static TimeSpan GetIdleTime() |
{ |
var lastInPut = new Natives.LASTINPUTINFO(); |
lastInPut.cbSize = (uint) Marshal.SizeOf(lastInPut); |
Natives.GetLastInputInfo(ref lastInPut); |
|
return TimeSpan.FromMilliseconds((uint) Environment.TickCount - lastInPut.dwTime); |
} |
|
public static bool LaunchOnBootSet(bool enable) |
{ |
using var key = Registry.CurrentUser.OpenSubKey |
("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true); |
if (key == null) return false; |
using (var key = Registry.CurrentUser.OpenSubKey |
("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true)) |
{ |
if (key == null) |
{ |
return false; |
} |
|
switch (enable) |
{ |
case true: |
key.SetValue(Constants.AssemblyName, Assembly.GetEntryAssembly().Location); |
break; |
default: |
key.DeleteValue(Constants.AssemblyName, false); |
break; |
switch (enable) |
{ |
case true: |
key.SetValue(Constants.AssemblyName, Assembly.GetEntryAssembly().Location); |
break; |
default: |
key.DeleteValue(Constants.AssemblyName, false); |
break; |
} |
} |
|
return true; |
@@ -36,9 +49,11 @@ |
|
public static bool LaunchOnBootGet() |
{ |
using var key = Registry.CurrentUser.OpenSubKey |
("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true); |
return key?.GetValue(Constants.AssemblyName) != null; |
using (var key = Registry.CurrentUser.OpenSubKey |
("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true)) |
{ |
return key?.GetValue(Constants.AssemblyName) != null; |
} |
} |
|
/// <summary> |
@@ -47,26 +62,36 @@ |
/// <param name="control">the control to enable double buffering for</param> |
/// <returns>true on success</returns> |
/// <remarks>Do not enable double buffering on RDP: https://devblogs.microsoft.com/oldnewthing/20060103-12/?p=32793</remarks> |
public static void SetDoubleBuffered(this Control control) |
public static bool SetDoubleBuffered(this Control control) |
{ |
// Double buffering can make DGV slow in remote desktop |
if (!SystemInformation.TerminalServerSession) |
if (SystemInformation.TerminalServerSession) |
{ |
var dgvType = control.GetType(); |
var pi = dgvType.GetProperty("DoubleBuffered", |
BindingFlags.Instance | BindingFlags.NonPublic); |
pi.SetValue(control, true, null); |
return false; |
} |
|
var dgvType = control.GetType(); |
var pi = dgvType.GetProperty("DoubleBuffered", |
BindingFlags.Instance | BindingFlags.NonPublic); |
if (pi == null) |
{ |
return false; |
} |
|
pi.SetValue(control, true, null); |
|
return true; |
} |
|
public static async Task<Icon> CreateIconFromResource(string resource) |
{ |
var iconBytes = await LoadResource(resource); |
using var iconMemoryStream = new MemoryStream(iconBytes); |
var bitmap = (Bitmap)Image.FromStream(iconMemoryStream); |
var bitmapIntPtr = bitmap.GetHicon(); |
var icon = Icon.FromHandle(bitmapIntPtr); |
return icon; |
using (var iconMemoryStream = new MemoryStream(iconBytes)) |
{ |
var bitmap = (Bitmap) Image.FromStream(iconMemoryStream); |
var bitmapIntPtr = bitmap.GetHicon(); |
var icon = Icon.FromHandle(bitmapIntPtr); |
return icon; |
} |
} |
|
public static async Task<byte[]> LoadResource(string resource) |
@@ -73,16 +98,21 @@ |
{ |
var assembly = Assembly.GetExecutingAssembly(); |
|
using var manifestResourceStream = assembly.GetManifestResourceStream(resource); |
if (manifestResourceStream == null) return null; |
using (var manifestResourceStream = assembly.GetManifestResourceStream(resource)) |
{ |
if (manifestResourceStream == null) |
{ |
return null; |
} |
|
var memoryStream = new MemoryStream(); |
var memoryStream = new MemoryStream(); |
|
await manifestResourceStream.CopyToAsync(memoryStream); |
await manifestResourceStream.CopyToAsync(memoryStream); |
|
memoryStream.Position = 0L; |
memoryStream.Position = 0L; |
|
return memoryStream.ToArray(); |
return memoryStream.ToArray(); |
} |
} |
|
public static void InvokeIfRequired<T>(this T control, Action<T> action) where T : Control |
@@ -89,7 +119,7 @@ |
{ |
if (control.InvokeRequired) |
{ |
control.BeginInvoke((MethodInvoker)delegate { action(control); }); |
control.BeginInvoke((MethodInvoker) delegate { action(control); }); |
return; |
} |
|
@@ -96,65 +126,42 @@ |
action(control); |
} |
|
/// <summary> |
/// Attempts to access a file within <see cref="timeout" /> milliseconds by retrying to access the file every |
/// <see cref="retry" /> milliseconds. |
/// </summary> |
/// <param name="path">the path to the file</param> |
/// <param name="mode">the file mode used to access the file</param> |
/// <param name="access">the file access to use</param> |
/// <param name="share">the file share to use</param> |
/// <param name="cancellationToken">a cancellation token</param> |
/// <param name="retry">the amount of milliseconds to retry between accesses to the file</param> |
/// <param name="timeout">the amount of time in milliseconds to attempt and access the file</param> |
/// <returns>a file stream if the file could be accessed within the allotted time</returns> |
public static async Task<FileStream> GetFileStream(string path, FileMode mode, FileAccess access, |
FileShare share, CancellationToken cancellationToken, |
int retry = 1000, int timeout = 60000) |
public static T MapValueToRange<T>(this T value, T xMin, T xMax, T yMin, T yMax) |
where T : struct, IComparable<T>, IConvertible |
{ |
var time = Stopwatch.StartNew(); |
return (dynamic) yMin + |
((dynamic) yMax - (dynamic) yMin) * ((dynamic) value - (dynamic) xMin) / |
((dynamic) xMax - (dynamic) xMin); |
} |
|
while (time.ElapsedMilliseconds < timeout && !cancellationToken.IsCancellationRequested) |
public static IEnumerable<TU> SequenceSubtract<TU, TV>(this IEnumerable<TU> a, |
IEnumerable<TV> b, |
Func<TU, TV, bool> cmp) |
{ |
var eb = new List<TV>(b); |
|
using (var ea = a.GetEnumerator()) |
{ |
try |
while (ea.MoveNext()) |
{ |
return new FileStream(path, mode, access, share); |
} |
catch (IOException e) |
{ |
// access error |
if (e.HResult != -2147024864) throw; |
} |
if (ea.Current == null) |
{ |
continue; |
} |
|
await Task.Delay(retry, cancellationToken); |
} |
foreach (var ib in eb) |
{ |
if (cmp.Invoke(ea.Current, ib)) |
{ |
continue; |
} |
|
throw new TimeoutException($"Failed to get a access to {path} within {timeout}ms."); |
} |
yield return ea.Current; |
|
/// <summary> |
/// Returns the machine GUID. |
/// </summary> |
/// <returns>the GUID of the machine</returns> |
/// <remarks>https://stackoverflow.com/questions/2333149/how-to-fast-get-hardware-id-in-c</remarks> |
public static string GetMachineGuid() |
{ |
var location = @"SOFTWARE\Microsoft\Cryptography"; |
var name = "MachineGuid"; |
|
using var localMachineX64View = |
RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64); |
using var rk = localMachineX64View.OpenSubKey(location); |
if (rk == null) |
throw new KeyNotFoundException( |
$"Key Not Found: {location}"); |
|
var machineGuid = rk.GetValue(name); |
if (machineGuid == null) |
throw new IndexOutOfRangeException( |
$"Index Not Found: {name}"); |
|
return machineGuid.ToString(); |
break; |
} |
} |
} |
} |
|
#endregion |