Mercurial > servermonitor
annotate ServerMonitor/Win32Helpers.cs @ 17:68d7834dc28e
More comments.
| author | Brad Greco <brad@bgreco.net> |
|---|---|
| date | Sat, 25 May 2019 15:14:26 -0400 |
| parents | 052aa62cb42a |
| children | 7645122aa7a9 |
| rev | line source |
|---|---|
| 4 | 1 using System; |
| 2 using System.Runtime.InteropServices; | |
| 3 using System.Windows.Forms; | |
| 4 | |
| 5 namespace ServerMonitorApp | |
| 6 { | |
| 17 | 7 /// <summary>Methods for interacting with the Win32 API.</summary> |
| 4 | 8 class Win32Helpers |
| 9 { | |
| 10 [DllImport("user32.dll")] | |
| 11 [return: MarshalAs(UnmanagedType.Bool)] | |
| 12 static extern bool FlashWindowEx(ref FLASHWINFO pwfi); | |
| 13 | |
| 14 [StructLayout(LayoutKind.Sequential)] | |
| 15 public struct FLASHWINFO | |
| 16 { | |
| 17 public UInt32 cbSize; | |
| 18 public IntPtr hwnd; | |
| 19 public UInt32 dwFlags; | |
| 20 public UInt32 uCount; | |
| 21 public UInt32 dwTimeout; | |
| 22 } | |
| 23 | |
|
8
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
24 public const int HWND_BROADCAST = 0xffff; |
|
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
25 public static readonly int WM_SHOWMONITOR = RegisterWindowMessage("WM_SHOWMONITOR"); |
|
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
26 [DllImport("user32")] |
|
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
27 public static extern bool PostMessage(IntPtr hwnd, int msg, IntPtr wparam, IntPtr lparam); |
|
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
28 [DllImport("user32")] |
|
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
29 public static extern int RegisterWindowMessage(string message); |
|
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
30 |
| 4 | 31 public enum FlashWindowFlags : uint |
| 32 { | |
| 33 /// <summary> | |
| 34 /// Stop flashing. The system restores the window to its original state. | |
| 35 /// </summary> | |
| 36 FLASHW_STOP = 0, | |
| 37 | |
| 38 /// <summary> | |
| 39 /// Flash the window caption | |
| 40 /// </summary> | |
| 41 FLASHW_CAPTION = 1, | |
| 42 | |
| 43 /// <summary> | |
| 44 /// Flash the taskbar button. | |
| 45 /// </summary> | |
| 46 FLASHW_TRAY = 2, | |
| 47 | |
| 48 /// <summary> | |
| 49 /// Flash both the window caption and taskbar button. | |
| 50 /// This is equivalent to setting the FLASHW_CAPTION | FLASHW_TRAY flags. | |
| 51 /// </summary> | |
| 52 FLASHW_ALL = 3, | |
| 53 | |
| 54 /// <summary> | |
| 55 /// Flash continuously, until the FLASHW_STOP flag is set. | |
| 56 /// </summary> | |
| 57 FLASHW_TIMER = 4, | |
| 58 | |
| 59 /// <summary> | |
| 60 /// Flash continuously until the window comes to the foreground. | |
| 61 /// </summary> | |
| 62 FLASHW_TIMERNOFG = 12 | |
| 63 } | |
| 64 | |
| 17 | 65 /// <summary>Flashes a window icon in the taskbar.</summary> |
| 66 /// <param name="form">The form to flash.</param> | |
| 4 | 67 public static bool FlashWindowEx(Form form) |
| 68 { | |
| 69 IntPtr hWnd = form.Handle; | |
| 70 FLASHWINFO fInfo = new FLASHWINFO(); | |
| 71 | |
| 72 fInfo.cbSize = Convert.ToUInt32(Marshal.SizeOf(fInfo)); | |
| 73 fInfo.hwnd = hWnd; | |
| 74 fInfo.dwFlags = (uint)FlashWindowFlags.FLASHW_TRAY; | |
| 75 fInfo.uCount = 10; | |
| 76 fInfo.dwTimeout = 0; | |
| 77 | |
| 78 return FlashWindowEx(ref fInfo); | |
| 79 } | |
| 80 | |
| 17 | 81 /// <summary>Stops flashing a window icon in the taskbar.</summary> |
| 82 /// <param name="form">The form to stop flashing.</param> | |
| 4 | 83 public static bool StopFlashWindowEx(Form form) |
| 84 { | |
| 85 IntPtr hWnd = form.Handle; | |
| 86 FLASHWINFO fInfo = new FLASHWINFO(); | |
| 87 | |
| 88 fInfo.cbSize = Convert.ToUInt32(Marshal.SizeOf(fInfo)); | |
| 89 fInfo.hwnd = hWnd; | |
| 90 fInfo.dwFlags = (uint)FlashWindowFlags.FLASHW_STOP; | |
| 91 fInfo.dwTimeout = 0; | |
| 92 | |
| 93 return FlashWindowEx(ref fInfo); | |
| 94 } | |
| 95 } | |
| 96 } |