## Presentation Device Driver Reference for OS/2

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### GreUpdateCursor - Parameters

hdc (HDC) - input The device context handle.

pVioPS (VioPresentationSpace *) - input A pointer to the Vio presentation space.

pInstance (PVOID) - input A pointer to instance data.

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

rc (LONG) - returns Return codes.

This function returns a LONG value as an error indicator:

NO_ERROR Successful
CE_INVALID_PRESENTATION_SPACE Error. For example, this message might be returned as a result of an invalid CellByteSize.