The FrameRgn function draws a border around the specified region by using the specified brush.
BOOL FrameRgn(
HDC hdc, // handle to device context
HRGN hrgn, // handle to region to be framed
HBRUSH hbr, // handle to brush used to draw border
int nWidth, // width of region frame
int nHeight // height of region frame
);
Parameters
hdc
Identifies the device context.
hrgn
Identifies the region to be enclosed in a border. The region's coordinates are presumed to be in logical units.
hbr
Identifies the brush to be used to draw the border.
nWidth
Specifies the width, in logical units, of vertical brush strokes.
nHeight
Specifies the height, in logical units, of horizontal brush strokes.
Return Values
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero.
