## Presentation Device Driver Reference for OS/2

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### GreQueryLogicalFont - Parameters

hdc (HDC) - input Device context handle.

lcid (LONG) - input Local identifier for the logical font.

pchName (PSTR8) - input Pointer to an 8-character name used to describe the logical font.

pLogFont (PFATTRS) - input Pointer to a font attribute structure.

cLogFont (ULONG) - input Number of bytes of font attribute information requested.

pInstance (PVOID) - input Pointer to instance data.

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

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_HDC_BUSY
PMERR_INV_HDC
PMERR_INV_LENGTH_OR_COUNT
PMERR_INV_SETID

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