显示对话框重新聚焦效果自定义调用
本文关键字:自定义 调用 聚焦 对话框 新聚焦 显示 | 更新日期: 2023-09-27 18:36:41
有没有办法让表单闪烁,就像失去焦点时的 ShowDialog 一样?
当您在窗口窗体上调用 ShowDialog 并尝试另一个操作时,窗体会闪烁几秒钟,然后获得焦点。
有没有办法以自定义方式调用该闪烁动作?
试试这个。
[DllImport("user32.dll")]
private static extern Int32 FlashWindowEx(ref FLASHWINFO pwfi);
[StructLayout(LayoutKind.Sequential)]
private struct FLASHWINFO {
public UInt32 cbSize;
public IntPtr hwnd;
public FLASHW dwFlags;
public UInt32 uCount;
public Int32 dwTimeout;
}
[Flags]
private enum FLASHW: int {
// stop flashing
FLASHW_STOP = 0x00,
// flash the window title
FLASHW_CAPTION = 0x01,
// flash the taskbar button
FLASHW_TRAY = 0x02,
// flash the window title and the taskbar button
FLASHW_ALL = 0x03,
// flash continuously
FLASHW_TIMER = 0x04,
// flash until the window comes to the foreground
FLASHW_TIMERNOFG = 0x0c,
}
public static void FlashWindow(IWin32Window form, int count) {
FLASHWINFO pwfi = new FLASHWINFO();
pwfi.cbSize = (uint)Marshal.SizeOf(pwfi);
pwfi.dwFlags = FLASHW.FLASHW_ALL;
pwfi.dwTimeout = 0;
pwfi.hwnd = form.Handle;
pwfi.uCount = (uint)count;
FlashWindowEx(ref pwfi);
}
根据您的需求扩展它。