What's the system menu? The system menu is the menu that appears when you right-click on the title bar of a window or when you press Alt+Space. It contains commands like 'Close', 'Move', 'Size', 'Minimize', 'Maximize', 'Restore', 'Help', etc. This menu is always accessible whatever the window state. Even for custom windows that doesn't have a title bar, you can still access the system menu by pressing… [read more]