private void StopFlashing()
{
_flashTimer.Stop();
if (_flashingForm != null)
{
var info = new NativeMethods.FLASHWINFO();
info.cbSize = (uint)Marshal.SizeOf(info);
info.hWnd = _flashingForm.Handle;
info.dwFlags = NativeMethods.FLASHW_STOP;
NativeMethods.FlashWindowEx(ref info);
if (_flashingForm.ContainsFocus)
{
NativeMethods.SetWindowPos(
_flashingForm.Handle,
IntPtr.Zero,
0, 0, 0, 0,
NativeMethods.SWP_NOSIZE | NativeMethods.SWP_NOMOVE |
NativeMethods.SWP_NOZORDER | NativeMethods.SWP_FRAMECHANGED
);
}
_flashingForm = null;
}
}
/// <summary>
/// Make the window flash and flicker to get user's attention
/// </summary>
/// <param name="Window"></param>
/// <param name="Count"></param>
/// <param name="Timeout"></param>
/// <returns>Window state (active or inactive)</returns>
public static bool FlashWindow(System.Windows.Forms.Form Window, int Count, int Timeout)
{
NativeMethods.FLASHWINFO info = new NativeMethods.FLASHWINFO {
cbSize = Marshal.SizeOf(typeof(NativeMethods.FLASHWINFO)),
hwnd = Window.Handle,
uCount = Count,
dwTimeout = Timeout
};
return(NativeMethods.FlashWindowEx(ref info));
}
public static void Flash(this Window window, int count)
{
// ウィンドウを点滅させる
NativeMethods.FLASHWINFO fwi = new NativeMethods.FLASHWINFO
{
hWnd = new WindowInteropHelper(window).Handle,
dwFlags = 3,
uCount = count,
dwTimeout = 0,
};
NativeMethods.FlashWindowEx(fwi);
}
void _client_MouseClick(object sender, MouseEventArgs e)
{
var handle = NativeMethods.ChildWindowFromPoint(_client.Handle, e.Location);
if (handle == IntPtr.Zero || handle == _client.Handle)
{
return;
}
// Find the child that was clicked.
System.Windows.Forms.Form clickedForm = null;
foreach (var form in Parent.MdiChildren)
{
if (form.Handle == handle)
{
clickedForm = form;
break;
}
}
if (clickedForm == null)
{
return;
}
// Activate the correct form.
var topForm = FindTopForm(clickedForm);
if (topForm.ContainsFocus)
{
StopFlashing();
var info = new NativeMethods.FLASHWINFO();
info.cbSize = (uint)Marshal.SizeOf(info);
info.hWnd = topForm.Handle;
info.dwFlags = NativeMethods.FLASHW_TIMER | NativeMethods.FLASHW_ALL;
NativeMethods.FlashWindowEx(ref info);
_flashingForm = topForm;
_flashTimer.Start();
}
else
{
topForm.Focus();
}
}
public static void Flash(this Window window, int count)
{
// ウィンドウを点滅させる
var fwi = new NativeMethods.FLASHWINFO
{
hWnd = new WindowInteropHelper(window).Handle,
dwFlags = 3,
uCount = count,
dwTimeout = 0,
};
NativeMethods.FlashWindowEx(fwi);
}
public static void Flash(this Window window, uint count)
{
// ウィンドウを点滅させる
NativeMethods.FLASHWINFO fwi = new NativeMethods.FLASHWINFO
{
hwnd = new WindowInteropHelper(window).Handle,
dwFlags = NativeMethods.FlashWindowFlags.FLASHW_ALL,
uCount = count,
dwTimeout = 0,
cbSize = (uint)System.Runtime.InteropServices.Marshal.SizeOf(typeof(NativeMethods.FLASHWINFO)),
};
NativeMethods.FlashWindowEx(ref fwi);
}
public bool Notify()
{
var fInfo = new NativeMethods.FLASHWINFO
{
cbSize = Convert.ToUInt32(Marshal.SizeOf(typeof(NativeMethods.FLASHWINFO))),
hwnd = mainWindow.Handle,
dwFlags = NativeMethods.FLASHW_TRAY | NativeMethods.FLASHW_TIMERNOFG,
uCount = 2,
dwTimeout = 0
};
return(!NativeMethods.FlashWindowEx(ref fInfo));
}
public bool Notify()
{
var fInfo = new NativeMethods.FLASHWINFO
{
cbSize = Convert.ToUInt32(Marshal.SizeOf(typeof(NativeMethods.FLASHWINFO))),
hwnd = mainWindow.Handle,
dwFlags = NativeMethods.FLASHW_TRAY | NativeMethods.FLASHW_TIMERNOFG,
uCount = 2,
dwTimeout = 0
};
return !NativeMethods.FlashWindowEx(ref fInfo);
}
/// <summary>
/// Flash the current form.
/// </summary>
/// <returns>Whether the form need flash or not.</returns>
private bool FlashForm()
{
var info = new NativeMethods.FLASHWINFO();
info.cbSize = Convert.ToUInt32(Marshal.SizeOf(info));
this.InvokeIfRequired(() =>
info.hwnd = this.Handle);
info.dwFlags = NativeMethods.FlashWindowFlags.FLASHW_ALL |
NativeMethods.FlashWindowFlags.FLASHW_TIMERNOFG;
// Flash 3 times
info.uCount = 3;
info.dwTimeout = 0;
return(NativeMethods.FlashWindowEx(ref info));
}
public static void FlashWindow(IntPtr hwnd, UInt32 count)
{
// if the current foreground window isn't this window,
// flash this window in task bar once every 1 second
if (NativeMethods.GetForegroundWindow() != hwnd)
{
var fInfo = new NativeMethods.FLASHWINFO();
fInfo.cbSize = Convert.ToUInt32(Marshal.SizeOf(fInfo));
fInfo.hwnd = hwnd;
fInfo.dwFlags = NativeMethods.FLASHW_ALL | ((count == 0) ? NativeMethods.FLASHW_TIMERNOFG : 0);
fInfo.uCount = count;
fInfo.dwTimeout = 0;
NativeMethods.FlashWindowEx(ref fInfo);
}
}
/// <summary>
/// Flash a window to indicate a need of attention
/// </summary>
public static bool FlashWindowEx(Form form)
{
var hWnd = form.Handle;
var fInfo = new NativeMethods.FLASHWINFO();
fInfo.cbSize = Convert.ToUInt32(Marshal.SizeOf(fInfo));
fInfo.hwnd = hWnd;
if (!form.Focused)
{
fInfo.dwFlags = NativeMethods.FLASHW_ALL | NativeMethods.FLASHW_TIMERNOFG;
fInfo.uCount = uint.MaxValue;
fInfo.dwTimeout = 0;
}
else
{
fInfo.dwFlags = NativeMethods.FLASHW_ALL | NativeMethods.FLASHW_TIMER;
fInfo.uCount = 3;
fInfo.dwTimeout = 0;
}
return(NativeMethods.FlashWindowEx(ref fInfo));
}
public static void FlashWindow(IntPtr hwnd, UInt32 count)
{
// if the current foreground window isn't this window,
// flash this window in task bar once every 1 second
if (NativeMethods.GetForegroundWindow() != hwnd)
{
var fInfo = new NativeMethods.FLASHWINFO();
fInfo.cbSize = Convert.ToUInt32(Marshal.SizeOf(fInfo));
fInfo.hwnd = hwnd;
fInfo.dwFlags = NativeMethods.FLASHW_ALL | ((count == 0) ? NativeMethods.FLASHW_TIMERNOFG : 0);
fInfo.uCount = count;
fInfo.dwTimeout = 0;
NativeMethods.FlashWindowEx(ref fInfo);
}
}
