Show all hidden control surfaces associated with an action
int PtShowSurfaceByAction( PtWidget_t *widget, PtWidgetClassRef_t const *cref, unsigned short action_id);
This function shows all hidden control surfaces associated with an action. The widget argument specifies the widget owning the surfaces, while cref and action_id specify the class and manifest of the action associated with surfaces to be shown.
0 if any surfaces were shown by this function, or -1 if no surfaces were affected.
PtHideSurface(), PtHideSurfaceByAction(), PtHideSurfaceById(), PtShowSurface(), PtShowSurfaceById(), PtSurfaceIsHidden(), PtSurfaceIsShown()
Control Surfaces chapter of the Photon Programmer's Guide