## Presentation Device Driver Reference for OS/2

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### GreBoxInterior - Parameters

hdc (HDC) - input Device context handle.

pBox (PPOINTL) - input Pointer to a BOXDATA structure.

ptlOpposite 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

lHRound Horizontal length of the full axis of an ellipse. This field is used for rounding each corner.

lVRound Vertical length of the full axis of an ellipse. This field is used for rounding each corner.

pInstance (PVOID) - input Pointer to instance data.

lFunction (ULONG) - input High-order WORD=flags; low-order WORD= NGreBoxInterior.

rc (LONG) - returns On completion, this function returns an integer (cHits) indicating, where appropriate, whether correlation hits were detected.