how to cut a region of a image to clipboard (using selectregion this function)(50分)<br />how to cut a region of a image to clipboard (using selectregion this function)
HDC hdc, // handle of device context
HRGN hrgn // handle of region to be selected
);
Return Values
If the function succeeds, the return value specifies the region's complexity and can be any one of the following values:
Value Meaning
NULLREGION Region is empty.
SIMPLEREGION Region is a single rectangle.
COMPLEXREGION Region is more than one rectangle.
ERROR An error occurred. (The previous clipping
region is unaffected.)
no. you should use a temp bmp, set it's clip region to the region what you want to get, and draw the source bmp to this temp bmp. then select this bmp into clipboard.
