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X-Hacker.org- Win 2 API - <b>createrectrgn</b> creates a rectangular region
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CreateRectRgn Creates a rectangular region
HRGN CreateRectRgn(RcUlX, RcUlY, RcLrX, RcLrY);
short RcUlX; /* rectangle upper left X coordinate */
short RcUlY; /* rectangle upper left Y coordinate */
short RcLrX; /* rectangle lower right X coordinate */
short RcLrY; /* rectangle lower right Y coordinate */
Returns: Handle of new region or NULL on failure.
Note: RcLrX - RcUlX and RcLrY - RcUlY must be less than
32,767
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