## Presentation Device Driver Reference for OS/2

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### GreCreateBitmap Parameter - flUsage

flUsage (ULONG) - input Additional information, used when creating a new bit map. The only defined flag is:

CBM_INIT When set, the pBitmap and paInfo parameters are used to initialize the newly created bit map. If this flag is not set, the bit map initialization is device dependent. It is assumed that sufficient data is supplied to initialize the whole bit map.

Other flags (16 - 31) can be used for special purposes known to be supported by a particular presentation driver.