protected virtual IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam) => InteropMethods.DefWindowProc(hwnd, msg, wParam, lParam);
protected virtual IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam) => InteropMethods.DefWindowProc(hwnd, msg, wParam, lParam);