hdc (HDC) - input

Device context handle.

paptlPoint (PPOINTL) - input

Pointer to array of (X,Y) coordinates to transform. The result is also returned to this parameter.

cPoints (LONG) - input

Count of coordinate pairs in the array.

paXform (PXFORM) - input

Pointer to an array of six matrix elements for two-dimensional formation. These are M11, M12, M21, M22, M41, and M42.

pInstance (PVOID) - input

Pointer to instance data.

lFunction (ULONG) - input

High-order WORD=flags; low-order WORD=NGreConvertWithMatrix.

fSuccess (BOOL) - returns

This function returns BOOLEAN (fSuccess).

TRUE

Successful
FALSE
Error

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_COORDINATE_OVERFLOW
PMERR_INV_LENGTH_OR_COUNT
Refer to the "Error Explanations" section in the Presentation Manager Programming Reference for further explanation.

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