## Presentation Device Driver Reference for OS/2

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### GreUpdateColors - Parameters

hdc (HDC) - input Device context handle.

pInstance (PVOID) - input Pointer to instance data.

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

rc (BOOL) - returns Return codes.

On completion, this function returns the following values:

Error (0)
Successful (1)

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_INV_IN_AREA
PMERR_INV_IN_PATH

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