hdc (HDC) - input

Device context handle.

pInstance (PVOID) - input

Pointer to instance data.

lFunction (ULONG) - input

High-order WORD=flags; low-order WORD=NGreUnrealizeColorTable.

rc (BOOL) - returns

Return codes.

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

TRUE

Successful
FALSE
Error
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_COL_TABLE_NOT_REALIZED PMERR_DEV_FUNC_NOT_INSTALLED
PMERR_INV_HDC
PMERR_INV_IN_AREA
PMERR_INV_IN_PATH

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