CreateRoundRectRgn
The CreateRoundRectRgn
function creates a rectangular region with rounded corners.
HRGN CreateRoundRectRgn(
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int nLeftRect, |
// x-coordinate of
the region s upper-left corner |
|
int nTopRect, |
// y-coordinate of
the region s upper-left corner |
|
int nRightRect, |
// x-coordinate of
the region s lower-right corner |
|
int nBottomRect, |
// y-coordinate of
the region s lower-right corner |
|
int nWidthEllipse, |
// height of
ellipse for rounded corners |
|
int nHeightEllipse |
// width of ellipse
for rounded corners |
|
); |
|
Parameters
nLeftRect
Specifies the
x-coordinate of the upper-left corner of the region.
nTopRect
Specifies the
y-coordinate of the upper-left corner of the region.
nRightRect
Specifies the
x-coordinate of the lower-right corner of the region.
nBottomRect
Specifies the
y-coordinate of the lower-right corner of the region.
nWidthEllipse
Specifies the
width of the ellipse used to create the rounded corners.
nHeightEllipse
Specifies the
height of the ellipse used to create the rounded corners.
Return Values
If the
function succeeds, the return value is the handle to the region.
If the
function fails, the return value is NULL.
See Also