Typically, ON SELECTION BAR uses DO to execute a procedure or program. When you create and activate a menu, place ON SELECTION BAR between DEFINE POPUP and ACTIVATE POPUP.

You can also use ON SELECTION BAR with a Visual FoxPro system menu.

Use ON SELECTION POPUP to execute a command when you choose any menu item on a menu. Use ON BAR to activate a menu or menu bar when you choose a specific menu item.

Use ON SELECTION BAR nMenuItemNumber OF MenuName without a command to release a command assigned to a menu item.

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