Updated the RibbonCommands.ToggleMinimization command so that the KeyGesture (defaulting to Ctrl+F1) assigned to its InputGestures will be used to execute the command.
Updated TextBox controls on the ribbon to show their default context menus.
Improved built-in context menu display logic.
Improved the handling of focus tracking when DefaultAcquireHwndFocusInMenuMode is false.