## Presentation Device Driver Reference for OS/2

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### GreAccumulateBounds - Parameters

hdc (HDC) - input Device context handle.

prclRect (PRECTL) - input Pointer to rectangle.

Pointer to rectangle, defined as a RECTL structure in device coordinates.

pInstance (PVOID) - input Pointer to instance data.

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

rc (BOOL) - returns Return codes.

On completion, the handling routine must return a BOOLEAN value to indicate success or an error.

TRUE Successful.
FALSE An error occurred.

Possible Errors Detected: When an error is detected, the handling routine must call WinSetErrorInfo to post the condition. Error codes for conditions that the handling routine is expected to check include:

PMERR_COORDINATE_OVERFLOW
PMERR_DEV_FUNC_NOT_INSTALLED
PMERR_HDC_BUSY
PMERR_INV_COORD_SPACE
PMERR_INV_HDC
PMERR_INV_LENGTH_OR_COUNT
PMERR_INV_RECT

Refer to the "Error Explanations" section of the Presentation Manager Programming Reference for further explanation.