GreGetDefaultViewingLimits

GreGetDefaultViewingLimits loads the array indicated by prclViewingLimits with the default boundaries of the viewing window in graphic model space coordinates.

This function is supported by the graphics engine.

Syntax

GreGetDefaultViewingLimits(hdc, prclViewingLimits, pInstance, lFunction)

Parameters

hdc (HDC) - input

Device context handle.

prclViewingLimits (PRECTL) - input

Pointer to limits of viewing area.

pInstance (PVOID) - input

Pointer to instance data.

lFunction (ULONG) - input

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

Return Code

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

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