public void OnWndProc(IntPtr hwnd, uint msg, IntPtr wParam, IntPtr lParam,
bool restorePlacement, bool activate)
{
if (msg != SingleInstanceMessage)
{
return;
}
if (restorePlacement)
{
WindowPlacement placement = WindowPlacement.GetPlacement(hwnd, false);
if (placement.IsValid && placement.IsMinimized)
{
placement.ShowCmd = WindowNative.SwShowNormal;
placement.SetPlacement(hwnd);
}
}
if (!activate)
{
return;
}
WindowNative.SetForegroundWindow(hwnd);
WindowUtils.ActivateWindow(WindowUtils.GetModalWindow(hwnd));
}
public void OnWndProc(System.Windows.Window window, IntPtr hwnd, uint msg,
IntPtr wParam, IntPtr lParam, bool restorePlacement, bool activate)
{
if (!(window is INativeRestorableWindow restorableWindow))
{
OnWndProc(hwnd, msg, wParam, lParam, restorePlacement, activate);
return;
}
if (msg != SingleInstanceMessage)
{
return;
}
if (restorePlacement)
{
WindowPlacement placement = WindowPlacement.GetPlacement(hwnd, false);
if (placement.IsValid && placement.IsMinimized)
{
placement.Flags |= WindowNative.WpfAsyncWindowPlacement;
placement.ShowCmd = restorableWindow.DuringRestoreToMaximized
? WindowNative.SwShowMaximized
: WindowNative.SwShowNormal;
placement.SetPlacement(hwnd);
}
}
if (!activate)
{
return;
}
WindowNative.SetForegroundWindow(hwnd);
WindowUtils.ActivateWindow(WindowUtils.GetModalWindow(hwnd));
}