Name
XtIsComposite — test whether a widget is a subclass of the Composite widget class.
Synopsis
Boolean XtIsComposite(object)
Widget object;
Arguments
objectSpecifies the widget whose class is to be tested; may be of class Object or any subclass thereof.
Description
XtIsComposite tests whether a widget is a subclass of the Composite widget class. This is really just a convenience function equivalent to calling XtIsSubclass with compositeWidgetClass as the object_class argument. XtIsComposite is defined as a macro in <X11/Intrinsic.h>:
#define XtIsComposite(widget) (_XtCheckSubclassFlag(widget, (XtEnum)0x08))