MENU-MOUSE attribute (Graphical interfaces only) The mouse button on a three-button mouse that activates the pop-up menu for a widget. Data type: INTEGER Access: Readable/Writeable Applies to: BROWSE widget, BUTTON widget, COMBO-BOX widget, DIALOG-BOX widget, EDITOR widget, FILL-IN widget, FRAME widget, RADIO-SET widget, SELECTION-LIST widget, SLIDER widget, TOGGLE-BOX widget, WINDOW widget Table 90 lists each mouse button and the attribute value that specifies it as the pop-up menu button. Table 90: Pop-up menu button Mouse button Attribute value Left 1 Middle 2 Right 3 If you use a two-button mouse, setting this attribute to "2" makes it impossible to access the menu with your mouse. If you do not set this attribute, it returns the Unknown value (?).