## Presentation Device Driver Reference for OS/2

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### GreSetGraphicsField Parameter - prclGraphicsField

prclGraphicsField (PRECTL) - input Pointer to graphics field.

RECTL structure:

xLeft Minimum x-coordinate of graphics field
yBottom Minimum y-coordinate
xRight Maximum x-coordinate of graphics field
yTop Maximum y-coordinate

An error is raised when xLeft is greater than xRight, or yBottom is greater than yTop.