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Widget XtCreateWidget(name, widget_class, parent, args, num_args)
String name;
WidgetClass widget_class;
Widget parent;
ArgList args;
Cardinal num_args;

Widget XtVaCreateWidget(name, widget_class, parent, ...)
String name;
WidgetClass widget_class;
Widget parent;

Widget XtCreateManagedWidget(name, widget_class, parent, args, num_args)
String name;
WidgetClass widget_class;
Widget parent;
ArgList args;
Cardinal num_args;

Widget XtVaCreateManagedWidget(name, widget_class, parent, ...)
String name;
WidgetClass widget_class;
Widget parent;

void XtDestroyWidget(w)
Widget w;

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num_args

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parent

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w

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XtAppCreateShell(3Xt), XtCreatePopupShell(3Xt)
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface