XmMenuPosition positions a Popup menu pane using the information in the
specified event. Unless an application is positioning the menu pane
itself, it must first invoke this function before managing the PopupMenu.
The x_root and y_root
in the specified
event are used to
determine the menu position.
Which corner of the PopupMenu is positioned at the x_root and
depends on the XmNlayoutDirection resource of the widget from
which popup occurs.
Specifies the PopupMenu to be positioned
Specifies the event passed to the action procedure which manages the
For a complete definition of RowColumn and its associated resources, see