C#实现任务栏闪烁

来源：这里教程网时间：2026-02-21 13:06:46 作者：

private void flashit()
{
flashwinfo fi = new flashwinfo();
fi.cbsize = (uint)system.runtime.interopservices.marshal.sizeof(fi);
fi.hwnd = handle;
fi.dwflags = flashw_tray;
fi.ucount = 3;
fi.dwtimeout = 0;
flashwindowex(ref fi);

}

[dllimport("user32.dll")]
[return: marshalas(unmanagedtype.bool)]
static extern bool flashwindowex(ref flashwinfo pwfi);

[structlayout(layoutkind.sequential)]
public struct flashwinfo
{
public uint32 cbsize;
public intptr hwnd;
public uint32 dwflags;
public uint32 ucount;
public uint32 dwtimeout;

}

//stop flashing. the system restores the window to its original state.
public const uint32 flashw_stop = 0;
//flash the window caption.
public const uint32 flashw_caption = 1;
//flash the taskbar button.
public const uint32 flashw_tray = 2;
//flash both the window caption and taskbar button.
//this is equivalent to setting the flashw_caption | flashw_tray flags.
public const uint32 flashw_all = 3;
//flash continuously, until the flashw_stop flag is set.
public const uint32 flashw_timer = 4;
//flash continuously until the window comes to the foreground.
public const uint32 flashw_timernofg = 12;