The FillRgn function fills a region by using the specified brush.
BOOL FillRgn(
HDC hdc, // handle to device context
HRGN hrgn, // handle to region to be filled
HBRUSH hbr // handle to brush used to fill the region
);
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero.
Windows NT: To get extended error information, call GetLastError.
Windows CE: This function is the same in Windows CE version 2.0 as it is in Windows desktop platforms.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Requires version 2.0 or later.
Header: Declared in wingdi.h.
Import Library: Use gdi32.lib.
Regions Overview, Region Functions, CreateBrushIndirect, CreateDIBPatternBrush, CreateHatchBrush, CreatePatternBrush, CreateSolidBrush, PaintRgn