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PtScrollAreaCanvas()

Get the viewport canvas of a PtScrollArea

Synopsis:

PhRect_t *PtScrollAreaCanvas( PtWidget_t *widget,
                              PhRect_t *rect );

Library:

ph

Description:

This function determines the canvas rectangle for the specified widget's viewport. The PtScrollArea canvas rectangle describes the area inside the widget's border; the viewport's canvas is the area inside the scrollbars. The rect argument must point to a PhRect_t structure; if you pass rect as NULL, the function returns NULL.

Returns:

A pointer to the viewport's canvas, or NULL if an error occurs.

Classification:

Photon

Safety:
Interrupt handler	No
Signal handler	No
Thread	No