XmDropSiteQueryStackingOrder - A Drag and Drop function that returns the parent, a list of children, and the number of children for a specified widget
#include <Xm/DragDrop.h> Status XmDropSiteQueryStackingOrder (widget, parent_return, child_returns, num_child_returns Widget widget; Widget *parent_return; Widget **child_returns; Cardinal *num_child_returns;
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.
For a complete definition of DropSite and its associated resources, see XmDropSite(3X).
Returns zero if the routine fails; returns a nonzero value if it succeeds.
XmDropSite(3X) and XmDropSiteConfigureStackingOrder(3X).