Inside Macintosh: OpenDoc Class Reference /

Part 1 - Classes and Methods / ODCanvas

GetQDPort

Mac OS

The GetQDPort method returns the QuickDraw graphics-port drawing structure for this canvas.

GrafPtr GetQDPort ();

return value

A pointer to a QuickDraw graphics port.

DISCUSSION

If you are using QuickDraw for imaging, you call this method in your part's Draw method or whenever you need to draw anything into a facet.

EXCEPTIONS

kODErrInvalidGraphicsSystem

This implementation of OpenDoc does not support QuickDraw, QuickDraw is not installed or available, or this canvas has no QuickDraw drawing structure.

SEE ALSO

The ODCanvas::GetGXViewport method (page 69).
"The Draw Method of Your Part Editor" on page 158 in OpenDoc Programmer's Guide.

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