## Presentation Device Driver Reference for OS/2

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### GreEscape DEVESC_ENDDOC Parameter - pcOutCount

pcOutCount (PLONG) - input Pointer to size parameter.

On input, this parameter specifies the size of the buffer pointed to by pOutData. On output, it is set to the number of data bytes returned in this buffer. The input value of this parameter is usually 2. On completion, this is set to 0 if no ID is returned in pOutData.