## Presentation Device Driver Reference for OS/2

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### Possible Errors Detected

When an error is detected, the handling routine must call WinSetErrorInfo to post the condition. Error codes for conditions that the handling routine is expected to check include:

PMERR_DEV_FUNC_NOT_INSTALLED
PMERR_INV_LENGTH_OR_COUNT

Refer to the "Error Explanations" section of the Presentation Manager Programming Reference for further information.