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Man Pages


Manual Reference Pages  -  XMDROPSITEQUERYSTACKINGORDER (3)

NAME

XmDropSiteQueryStackingOrder — A Drag and Drop function that returns the parent, a list of children, and the number of children for a specified widget

CONTENTS

SYNOPSIS

#include <Xm/DragDrop.h>
Status XmDropSiteQueryStackingOrder(
Widget widget,
Widget *parent_return,
Widget **child_returns,
Cardinal *num_child_returns);

DESCRIPTION

XmDropSiteQueryStackingOrder obtains the parent, a list of children registered as drop sites, and the number of children registered as drop sites for a given widget. The children are listed in current stacking order, from bottom-most (first child) to the top-most (last child). This function allocates memory for the returned data that must be freed by calling XtFree.
widget Specifies the widget ID. For this widget, you obtain the list of its children, its parent, and the number of children.
parent_return Returns the widget ID of the drop site parent of the specified widget.
child_returns Returns a pointer to the list of drop site children associated with the specified widget. The function allocates memory to hold the list. The application is responsible for managing the allocated space. The application can recover the allocated space by calling XtFree.
num_child_returns Returns the number of drop site children for the specified widget.
For a complete definition of DropSite and its associated resources, see XmDropSite(3).

RETURN

Returns 0 (zero) if the routine fails; returns a nonzero value if it succeeds.

RELATED

XmDropSite(3) and XmDropSiteConfigureStackingOrder(3).

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