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PtFindSurfaceByAction()

Find the control surface associated with a given action

Synopsis:

PtSurface_t *PtFindSurfaceByAction( 
                 PtWidget_t *widget,
                 PtWidgetClassRef_t const *cref,
                 ushort_t action_id,
                 PtSurface_t const *surface );

Library:

ph

Description:

This function locates a control surface using its associated action as a search key.

The widget argument specifies the widget to search, while cref and action_id specify the class and manifest of the action to seek. The surface argument specifies the surface at which to start the search, letting you find all the surfaces in a widget associated with a particular action. If this argument is NULL, the search begins at the first surface within the widget.

Returns:

A pointer to the structure representing the control surface, or NULL if no more surfaces associated with the specified action could be found.

Classification:

Photon

Safety:
Interrupt handler	No
Signal handler	No
Thread	No

See also:

PtFindSurface(), PtWidgetActiveSurface()

Control Surfaces chapter of the Photon Programmer's Guide

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