## Presentation Device Driver Reference for OS/2

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### GreUnLoadFont - Parameters

pszFilename (PSZ) - input Pointer to a NULL-terminated string containing the file path and name of the font file.

pInstance (PVOID) - input Pointer to instance data.

lFunction (ULONG) - input High-order WORD=flags; low-order WORD= NGreUnLoadFont.

fSuccess (BOOL) - returns Return codes.

On completion, the handling routine must return BOOLEAN (fSuccess).

TRUE Successful
FALSE Error

Possible Errors Detected: When an error is detected, the graphics engine calls WinSetErrorInfo to post the condition. Reasons for failure of this function include:

PMERR_BASE_ERROR
PMERR_FONT_FILE_NOT_LOADED

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