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     XQueryTree(3X)                                XQueryTree(3X)



     NAME
          XQueryTree - query window tree information

     SYNOPSIS
          Status XQueryTree(display, w, root_return,
          parent_return, children_return, nchildren_return)
                Display *display;
                Window w;
                Window *root_return;
                Window *parent_return;
                Window **children_return;
                unsigned int *nchildren_return;

     ARGUMENTS
          children_return
                    Returns a pointer to the list of children.

          display   Specifies the connection to the X server.

          nchildren_return
                    Returns the number of children.

          parent_return
                    Returns the parent window.

          root_return
                    Returns the root window.

          w         Specifies the window whose list of children,
                    root, parent, and number of children you want
                    to obtain.

     DESCRIPTION
          The XQueryTree function returns the root ID, the parent
          window ID, a pointer to the list of children windows,
          and the number of children in the list for the
          specified window.  The children are listed in current
          stacking order, from bottommost (first) to topmost
          (last).  XQueryTree returns zero if it fails and
          nonzero if it succeeds.  To free this list when it is
          no longer needed, use XFree.

     BUGS
          This really should return a screen *, not a root window
          ID.

     SEE ALSO
          XGetWindowAttributes(3X11), XQueryPointer(3X11)
          Xlib Programming Manual






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