Winform 窗体闪烁 & 任务栏提示

准备：

 [DllImport("user32.dll")]
 static extern bool FlashWindowEx(ref FLASHWINFO pwfi);

 [DllImport("user32.dll")]
 static extern bool FlashWindow(IntPtr handle, bool invert);

 [StructLayout(LayoutKind.Sequential)]
 public struct FLASHWINFO
 {
     public UInt32 cbSize;
     public IntPtr hwnd;
     public UInt32 dwFlags;
     public UInt32 uCount;
     public UInt32 dwTimeOut;
 }

 public const UInt32 FLASHW_STOP = 0x00000000;
 public const UInt32 FLASHW_CAPTION = 0x00000001;
 public const UInt32 FLASHW_TRAY = 0x00000002;
 public const UInt32 FLASHW_ALL = 0x00000003;
 public const UInt32 FLASHW_TIMER = 0x00000004;
 public const UInt32 FLASHW_TIMERNOFG = 0x0000000C

事件

 private void button1_Click(object sender, EventArgs e)
 {
 　　//闪烁
 4 　　FLASHWINFO fi = new FLASHWINFO();

 　　fi.cbSize = (uint)Marshal.SizeOf(fi);
 　　fi.hwnd = this.Handle;
 　　fi.dwFlags = FLASHW_TIMER | FLASHW_ALL;
 　　fi.uCount = ;
 　　fi.dwTimeOut = ;

 　　FlashWindowEx(ref fi);
 }

 private void button2_Click(object sender, EventArgs e)
 {
     //任务栏消息提示
     this.WindowState = FormWindowState.Minimized;
     FlashWindow(this.Handle, true);
 }