## Presentation Device Driver Reference for OS/2

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### OS2_PM_DRV_ENABLE: Subfunction 07h - SaveDCState - Remarks

The state of a DC might be saved multiple times in last-in-first-out (LIFO) order. The routine returns an error code if there is not enough memory available to save the state.

The handling routine must keep a count of the number of saved states.

RestoreDCState is related to SaveDCState.