The uncheck menu statement removes a check mark next to a menu item.
uncheck menu menu_name, number
• menu_name – The name of the menu containing the item you want unchecked.
• number – An integer representing the placement of the item to be unchecked in the menu.
The uncheck menu statement cannot be used to remove a check mark next to grouped menu items that the application inherited, such as the Clipboard menu items Cut, Copy and Paste. For more information about menu items that can be checked and unchecked, refer to Form-based Menus.