Name
_XtIsSubclassOf -- determine if Widget is a subclass of WidgetClass.
Synopsis
#include <Intrinsic.h>
extern Boolean _XtIsSubclassOf(
Widget /* object* /,
WidgetClass /* widget_class */,
WidgetClass /* flag_class */,
_XtXtEnum /* type_flag */,
);
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Description
Determine if Widget(object) is a subclass of WidgetClass(widget_class).