## Presentation Device Driver Reference for OS/2

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### GreRectInRegion Parameter - prclRect

prclRect (PRECTL) - input Pointer to rectangle in device coordinates.

RECTL structure:

xLeft Minimum x-coordinate of rectangle
yBottom Minimum y-coordinate
xRight Maximum x-coordinate of rectangle
yTop Maximum y-coordinate

The rectangle passed is considered "exclusive" on the right and top sides. If the rectangle represents the bounding box of a graphic object to be drawn, the drawing might include the right and top sides. In this case, the caller should "inflate" the top and right sides by one unit in device- coordinate space.