Animation: Start an animation with specified information. Attach: Attach the target screen to the parent screen, if the parent screen is not specified, the target screen will be attached to the root window. Detach: Detach the target screen from its parent. Hide: Hide the target screen. Screen Stack Pop: Pop a screen from the internal screen stack. Screen Stack Push: Push a screen pointer to the internal screen stack. Screen Stack Reset: Remove all screen pointers from the internal screen stack. Show: Show the target screen. Toggle: Attach the target screen to the current screen's parent, and detach the current screen from its parent. Window Execute: Modally executes the target screen. Window Execute Stop: Exit modally execution of the current screen.