public static void SetBkModeChecked(HDC hdc, Gdi32BackgroundMode mode)
{
Gdi32BackgroundMode oldMode = SetBkMode(hdc, mode);
// todo: is it worth checking?
if (oldMode == Gdi32BackgroundMode.ERROR)
{
throw new InvalidOperationException($"{nameof(SetBkMode)} failed. Mode: {mode}.");
}
}
private static extern Gdi32BackgroundMode SetBkMode(HDC hdc, Gdi32BackgroundMode mode);
