PtWidgetIsClassMember()

Determine whether a widget belongs to a specified class

Synopsis:

int PtWidgetIsClassMember( 
        PtWidget_t *widget,
        PtWidgetClassRef_t *class );

Description:

This function determines whether or not the specified widget is a member of the specified widget class. You can use this function to determine whether the widget is of the specified class or a subclass of the specified class.

Returns:

0: widget isn't a member of the given class.
1: widget is a member of the given class.

Examples:

Test to see if widget belongs to the PtGraphic class (i.e. is it a line, rectangle, polygon, etc.):

if( PtWidgetIsClassMember( widget, PtGraphic ) )
    printf( "PtGraphic-class widget\n" );
else
    printf( "non-PtGraphic-class widget\n" );

Classification:

Photon

Safety:
Interrupt handler	No
Signal handler	No
Thread	No

See also:

PtWidgetIsClass()