Description:
+Call the clear method to delete all the menu items
+in the options menu pane. This operation will also clear all submenus if such
+exist.
For more general information on using an options menu in your widget, +see Using softkeys.
+Syntax:
+[void] window.menu.clear(void)+
or
+[void] menu.clear(void)+
Arguments:
+This method takes no arguments.
+Return value:
+This method does not return a value.
+