| HRGN CreateRectRgn(X1, Y1, X2, Y2) | |||||
| int X1; | /* x-coordinate of upper-left corner | */ | |||
| int Y1; | /* y-coordinate of upper-left corner | */ | |||
| int X2; | /* x-coordinate of lower-right corner | */ | |||
| int Y2; | /* y-coordinate of lower-right corner | */ | |||
The CreateRectRgn function creates a rectangular region.
X1
Specifies the x-coordinate of the upper-left corner of the region.
Y1
Specifies the y-coordinate of the upper-left corner of the region.
X2
Specifies the x-coordinate of the lower-right corner of the region.
Y2
Specifies the y-coordinate of the lower-right corner of the region.
The return value identifies a new region if the function is successful. Otherwise, it is 0.
The region will be exclusive of the bottom and right edges.
DeleteObject, SelectObject