## Presentation Device Driver Reference for OS/2

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### OS2_PM_DRV_ENABLE: Subfunction 08h - RestoreDCState Parameter - pParam2

pParam2 (PLONG) - input Identifies which of the saved states are to be restored. Positive numbers indicate the specific state counting from the first saved state, that is, 1 equals the first, 2 the second, and so forth. All saved states following the one being restored are discarded. Preceding states remain saved.

Negative numbers indicate the specific state counting from the last saved state, a value of -2 indicates that the last state is discarded and the state before that is restored.