User`s guide

11 Lay Out a Programmatic GUI
Right-click on the figure or on the axes. The context menu appears with its
upper-left corner at the location you clicked. Right-click on the panel or its
push button. The context menu does not appear.
Force Display of the Context Menu
If you set the context menu Visible property on, the context m enu i s
displayed at the location specified by the
Position property, without the user
taking any action. In this example, the context menu
Position property is
[10 215].
set(cmenu,'Visible','on');
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