FillRgn function (wingdi.h)

The FillRgn function fills a region by using the specified brush.

Syntax

BOOL FillRgn(
  [in] HDC    hdc,
  [in] HRGN   hrgn,
  [in] HBRUSH hbr
);

[in] hdc

Handle to the device context.

[in] hrgn

Handle to the region to be filled. The region's coordinates are presumed to be in logical units.

[in] hbr

Handle to the brush to be used to fill the region.

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	wingdi.h (include Windows.h)
Library	Gdi32.lib
DLL	Gdi32.dll