XtManageChA man page on HP-UX
[printable version]
XtManageChild() XtManageChild()
Name
XtManageChild - bring a widget under its parent's geometry management.
Synopsis
void XtManageChild(w)
Widget w;
Inputs
w Specifies the child widget to be managed; Must be of class
RectObj or any subclass thereof.
Description
XtManageChild() brings a child widget under the geometry management of
its parent. All widgets (except shell widgets) must be managed in
order to be visible. Managing a widget will generally make it visible,
unless its XtNmappedWhenManaged resource is False.
XtManageChild() constructs a WidgetList of length one and calls XtManâ
ageChildren(). See XtManageChildren() for more information.
Usage
Calls to XtCreateWidget() and XtManageChild() can be combined into a
single call to XtCreateManagedWidget() or XtVaCreateManagedWidget().
If you are going to manage multiple children of the same managed and
realized parent, it is more efficient to place those children widget
into an array and call XtManageChildren() just once, as this results in
only a single call to the parent's change_managed() method. If you are
creating widgets before the widget tree has been realized, however,
managing them one at a time is fine.
A widget can be unmanaged by calling XtUnmanageChild().
See Also
XtCreateManagedWidget(1), XtIsManaged(1), XtManageChildren(1),
XtSetMappedWhenManaged(1), XtUnmanageChild(1), XtUnmanageChildren(1).
Xt - Widget Lifecycle XtManageChild()
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