private int WndProc(IntPtr hWnd, uint msg, int wParam, IntPtr lParam)
{
var message = (WindowsMessage)msg;
if (closing)
{
return(0);
}
if (msg == (uint)WindowsMessage.DESTROY)
{
closing = true;
}
if (hWnd == hwndPopupForm)
{
var hwndForeground = ControlExtensions.GetForegroundWindow();
var rect = this.Bounds;
var point = rect.Location;
IntPtr hwndPoint;
point.Offset(5, 5);
hwndPoint = ControlExtensions.WindowFromPoint(point);
if (hwndPoint != hwndPopupForm && autoSetPosition)
{
offPointCount++;
if (offPointCount > 100)
{
if (!allowMove)
{
SetPosition();
offPointCount = 0;
}
}
}
if (message == WindowsMessage.MOUSEACTIVATE)
{
OnActivated(EventArgs.Empty);
}
return(CallWindowProc(prevMsgBoxWndFunc, hWnd, msg, wParam, lParam));
}
else if (hWnd == hwndMain)
{
int result;
if (!moved && message.IsOneOf(WindowsMessage.SIZE, WindowsMessage.SIZING))
{
if (autoSetPosition)
{
SetPosition();
}
}
result = CallWindowProc(prevMainWndFunc, hWnd, msg, wParam, lParam);
if (message == WindowsMessage.ACTIVATEAPP)
{
this.BeginInvoke(() =>
{
var focus = this.GetFocus();
if (Application.OpenForms.Cast <Form>().SelectMany(f => f.GetAllControls()).Any(c => c == focus))
{
if (!this.GetAllControls().Any(c => c == focus))
{
OnDeactivate(EventArgs.Empty);
}
}
});
}
if (message == WindowsMessage.MOUSEACTIVATE)
{
this.BeginInvoke(() =>
{
var focus = this.GetFocus();
if (!this.GetAllControls().Any(c => c == focus))
{
OnDeactivate(EventArgs.Empty);
}
});
}
//else if (message == WindowsMessage.PARENTNOTIFY)
//{
// OnDeactivate(EventArgs.Empty);
//}
return(result);
}
return(1);
}
