The PaintRgn function paints the specified region by using the brush currently selected into the device context.
BOOL PaintRgn(
HDC hdc, |
// handle to device context |
HRGN hrgn |
// handle to region to be painted |
); |
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError.