Mercurial > servermonitor
annotate ServerMonitor/Win32Helpers.cs @ 8:052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
| author | Brad Greco <brad@bgreco.net> |
|---|---|
| date | Sat, 09 Mar 2019 20:14:03 -0500 |
| parents | 3142e52cbe69 |
| children | 68d7834dc28e |
| rev | line source |
|---|---|
| 4 | 1 using System; |
| 2 using System.Collections.Generic; | |
| 3 using System.Linq; | |
| 4 using System.Runtime.InteropServices; | |
| 5 using System.Text; | |
| 6 using System.Threading.Tasks; | |
| 7 using System.Windows.Forms; | |
| 8 | |
| 9 namespace ServerMonitorApp | |
| 10 { | |
| 11 class Win32Helpers | |
| 12 { | |
| 13 [DllImport("user32.dll")] | |
| 14 [return: MarshalAs(UnmanagedType.Bool)] | |
| 15 static extern bool FlashWindowEx(ref FLASHWINFO pwfi); | |
| 16 | |
| 17 [StructLayout(LayoutKind.Sequential)] | |
| 18 public struct FLASHWINFO | |
| 19 { | |
| 20 public UInt32 cbSize; | |
| 21 public IntPtr hwnd; | |
| 22 public UInt32 dwFlags; | |
| 23 public UInt32 uCount; | |
| 24 public UInt32 dwTimeout; | |
| 25 } | |
| 26 | |
|
8
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
27 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
|
28 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
|
29 [DllImport("user32")] |
|
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
30 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
|
31 [DllImport("user32")] |
|
052aa62cb42a
Single instance. Add autorun option. Add icons. General enhancements.
Brad Greco <brad@bgreco.net>
parents:
4
diff
changeset
|
32 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
|
33 |
| 4 | 34 public enum FlashWindowFlags : uint |
| 35 { | |
| 36 /// <summary> | |
| 37 /// Stop flashing. The system restores the window to its original state. | |
| 38 /// </summary> | |
| 39 FLASHW_STOP = 0, | |
| 40 | |
| 41 /// <summary> | |
| 42 /// Flash the window caption | |
| 43 /// </summary> | |
| 44 FLASHW_CAPTION = 1, | |
| 45 | |
| 46 /// <summary> | |
| 47 /// Flash the taskbar button. | |
| 48 /// </summary> | |
| 49 FLASHW_TRAY = 2, | |
| 50 | |
| 51 /// <summary> | |
| 52 /// Flash both the window caption and taskbar button. | |
| 53 /// This is equivalent to setting the FLASHW_CAPTION | FLASHW_TRAY flags. | |
| 54 /// </summary> | |
| 55 FLASHW_ALL = 3, | |
| 56 | |
| 57 /// <summary> | |
| 58 /// Flash continuously, until the FLASHW_STOP flag is set. | |
| 59 /// </summary> | |
| 60 FLASHW_TIMER = 4, | |
| 61 | |
| 62 /// <summary> | |
| 63 /// Flash continuously until the window comes to the foreground. | |
| 64 /// </summary> | |
| 65 FLASHW_TIMERNOFG = 12 | |
| 66 } | |
| 67 | |
| 68 public static bool FlashWindowEx(Form form) | |
| 69 { | |
| 70 IntPtr hWnd = form.Handle; | |
| 71 FLASHWINFO fInfo = new FLASHWINFO(); | |
| 72 | |
| 73 fInfo.cbSize = Convert.ToUInt32(Marshal.SizeOf(fInfo)); | |
| 74 fInfo.hwnd = hWnd; | |
| 75 fInfo.dwFlags = (uint)FlashWindowFlags.FLASHW_TRAY; | |
| 76 fInfo.uCount = 10; | |
| 77 fInfo.dwTimeout = 0; | |
| 78 | |
| 79 return FlashWindowEx(ref fInfo); | |
| 80 } | |
| 81 | |
| 82 public static bool StopFlashWindowEx(Form form) | |
| 83 { | |
| 84 IntPtr hWnd = form.Handle; | |
| 85 FLASHWINFO fInfo = new FLASHWINFO(); | |
| 86 | |
| 87 fInfo.cbSize = Convert.ToUInt32(Marshal.SizeOf(fInfo)); | |
| 88 fInfo.hwnd = hWnd; | |
| 89 fInfo.dwFlags = (uint)FlashWindowFlags.FLASHW_STOP; | |
| 90 fInfo.dwTimeout = 0; | |
| 91 | |
| 92 return FlashWindowEx(ref fInfo); | |
| 93 } | |
| 94 } | |
| 95 } |