## Presentation Device Driver Reference for OS/2

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### GreBoxBoth Parameter - pBox

pBox (PBOXPARAMS) - input Pointer to a BOXPARAMS structure:

ptl POINTL structure defining the opposite corner of the box. If COM_ TRANSFORM is not set, the function expects the point to be in screen coordinates.
x X-coordinate of opposite corner
y Y-coordinate of opposite corner
sizl.cx Horizontal length of the full axis of an ellipse. This field is used for rounding each corner.
sizl.cy Vertical length of the full axis of an ellipse. This field is used for rounding each corner.