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 = 5;
　　fi.dwTimeOut = 75;

　　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);
}