Widow – Diff between revs 12 and 14

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Rev 12 Rev 14
1 using System; 1 using System;
2 using System.Collections.Generic; 2 using System.Collections.Generic;
3 using System.Diagnostics; 3 using System.Diagnostics;
4 using System.Text; 4 using System.Text;
5   5  
6 namespace Widow 6 namespace Widow
7 { 7 {
8 public static class Helpers 8 public static class Helpers
9 { 9 {
10 #region Public Methods 10 #region Public Methods
11   11  
12 /// <summary> Get the text for the window pointed to by hWnd </summary> 12 /// <summary> Get the text for the window pointed to by hWnd </summary>
13 public static string GetWindowText(IntPtr hWnd) 13 public static string GetWindowText(IntPtr hWnd)
14 { 14 {
15 var size = Natives.GetWindowTextLength(hWnd); 15 var size = Natives.GetWindowTextLength(hWnd);
16 if (size > 0) 16 if (size > 0)
17 { 17 {
18 var builder = new StringBuilder(size + 1); 18 var builder = new StringBuilder(size + 1);
19 Natives.GetWindowText(hWnd, builder, builder.Capacity); 19 Natives.GetWindowText(hWnd, builder, builder.Capacity);
20 return builder.ToString(); 20 return builder.ToString();
21 } 21 }
22   22  
23 return string.Empty; 23 return string.Empty;
24 } 24 }
25   25  
26 /// <summary> Find all windows that match the given filter </summary> 26 /// <summary> Find all windows that match the given filter </summary>
27 /// <param name="filter"> 27 /// <param name="filter">
28 /// A delegate that returns true for windows 28 /// A delegate that returns true for windows
29 /// that should be returned and false for windows that should 29 /// that should be returned and false for windows that should
30 /// not be returned 30 /// not be returned
31 /// </param> 31 /// </param>
32 public static IEnumerable<IntPtr> FindWindows(Natives.EnumWindowsProc filter) 32 public static IEnumerable<IntPtr> FindWindows(Natives.EnumWindowsProc filter)
33 { 33 {
34 var windows = new List<IntPtr>(); 34 var windows = new List<IntPtr>();
35   35  
36 Natives.EnumWindows(delegate(IntPtr wnd, IntPtr param) 36 Natives.EnumWindows(delegate(IntPtr wnd, IntPtr param)
37 { 37 {
38 if (filter(wnd, param)) 38 if (filter(wnd, param))
39 { 39 {
40 // only add the windows that pass the filter 40 // only add the windows that pass the filter
41 windows.Add(wnd); 41 windows.Add(wnd);
42 } 42 }
43   43  
44 // but return true here so that we iterate all windows 44 // but return true here so that we iterate all windows
45 return true; 45 return true;
46 }, IntPtr.Zero); 46 }, IntPtr.Zero);
47   47  
48 return windows; 48 return windows;
49 } 49 }
50   50  
51 public static IEnumerable<IntPtr> EnumerateWindows() 51 public static string GetWindowClass(IntPtr hWnd)
52 { 52 {
53 var windows = new List<IntPtr>(); -  
54   53 var windowClass = new StringBuilder(256);
55 Natives.EnumWindows(delegate(IntPtr wnd, IntPtr param) -  
56 { -  
57 windows.Add(wnd); -  
58 return true; -  
59 }, IntPtr.Zero); -  
60   54 Natives.GetClassName(hWnd, windowClass, windowClass.Capacity);
61 return windows; -  
62 } -  
63   -  
64 /// <summary> Find all windows that contain the given title text </summary> -  
65 /// <param name="titleText"> The text that the window title must contain. </param> -  
66 public static IEnumerable<IntPtr> FindWindowsWithText(string titleText) -  
67 { -  
68 return FindWindows((wnd, param) => GetWindowText(wnd).Contains(titleText)); 55 return windowClass.ToString();
69 } 56 }
70   57  
71 public static string GetWindowTitle(IntPtr hWnd) 58 public static string GetWindowTitle(IntPtr hWnd)
72 { 59 {
73 var length = Natives.GetWindowTextLength(hWnd) + 1; 60 var length = Natives.GetWindowTextLength(hWnd) + 1;
74 var title = new StringBuilder(length); 61 var title = new StringBuilder(length);
75 Natives.GetWindowText(hWnd, title, length); 62 Natives.GetWindowText(hWnd, title, length);
76 return title.ToString(); 63 return title.ToString();
77 } 64 }
78   65  
79 public static string GetProcessName(IntPtr hWnd) 66 public static string GetProcessName(IntPtr hWnd)
80 { 67 {
81 Natives.GetWindowThreadProcessId(hWnd, out var pid); 68 Natives.GetWindowThreadProcessId(hWnd, out var pid);
82 var process = Process.GetProcessById((int) pid); 69 var process = Process.GetProcessById((int) pid);
83 return process.ProcessName; 70 return process.ProcessName;
84 } 71 }
85   72  
86 #endregion 73 #endregion
87 } 74 }
88 } 75 }
89   76  
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