## Presentation Device Driver Reference for OS/2

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### OS2_PM_DRV_ENABLE: Subfunction 0Ah - CompleteOpenDC - Parameters

ulSubfunction (ULONG) - input 0AH.

hdcParam1 (HDC) - input A device context handle.

pParam2 (PLONG) - input A pointer (pInstance) to the DC instance data.

rc (LONG) - returns Return codes.

The handling routine should return a LONG integer. Valid values are:

0 Successful
-1 Error