## Display Device Driver Reference for OS/2

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### GreEscape DEVESC_QUERYDRIVERCAPS Parameter - pbOutData

pbOutData (PBYTE) - output The address of a buffer that will contain a ULONG variable specifying the number of capabilities.

On return, this buffer contains a ULONG variable that specifies the number of capabilities that the driver supports, immediately followed by an array of DRIVERCAPS structures.

Note: This allows a driver to export multiple capabilities (each, in turn, gets its own page in the System icon).