< Day Day Up > |
Recipe 9.12 Enabling and Disabling Menu Items9.12.1 ProblemYou want to disable menu items whose selection is inappropriate. 9.12.2 SolutionTo enable and disable menu items, use the MenuItem class's setEnabled method. 9.12.3 DiscussionYou can pass a boolean value to the setEnabled method; true enables the item, false disables it. 9.12.4 See AlsoRecipe 9.7 on creating a menu system; Recipe 9.8 on creating text menu items; Recipe 9.9 on creating image menu items; Recipe 9.10 on creating radio menu items; Recipe 9.11 on creating menu item accelerators and mnemonics. |
< Day Day Up > |