hdc (HDC) - input

Device context handle.

paXform (PXFORM) - output

On input: Transform used during lMode operation.

On output: Result of the lMode operation.

paNewXformData (PXFORM) - input

Transform used during lMode operation.

lMode (LONG) - input

Specifies how supplied array is used to set matrix:

SX_UNITY

Set unity transform, ignore array values
SX_CAT_AFTER
Concatenate after
SX_CAT_BEFORE
Concatenate before
SX_OVERWRITE
Overwrite

pInstance (PVOID) - input

Pointer to instance data.

lFunction (ULONG) - input

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

fSuccess (BOOL) - returns

Return codes.

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_INV_MATRIX_ELEMENT PMERR_INV_TRANSFORM_TYPE

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

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