| BeginGroup | Begin a group. Must be matched with a call to EndGroup. | 
      | BeginScrollView | Begin a scrolling view inside your GUI. | 
      | Box | Create a Box on the GUI Layer. | 
      | BringWindowToBack | Bring a specific window to back of the floating windows. | 
      | BringWindowToFront | Bring a specific window to front of the floating windows. | 
      | Button | Make a single press button. The user clicks them and something happens immediately. | 
      | DragWindow | Make a window draggable. | 
      | DrawTexture | Draw a texture within a rectangle. | 
      | DrawTextureWithTexCoords | Draw a texture within a rectangle with the given texture coordinates. | 
      | EndGroup | End a group. | 
      | EndScrollView | Ends a scrollview started with a call to BeginScrollView. | 
      | FocusControl | Move keyboard focus to a named control. | 
      | FocusWindow | Make a window become the active window. | 
      | GetNameOfFocusedControl | Get the name of named control that has focus. | 
      | HorizontalScrollbar | Make a horizontal scrollbar. Scrollbars are what you use to scroll through a document. Most likely, you want to use scrollViews instead. | 
      | HorizontalSlider | A horizontal slider the user can drag to change a value between a min and a max. | 
      | Label | Make a text or texture label on screen. | 
      | ModalWindow | Show a Modal Window. | 
      | PasswordField | Make a text field where the user can enter a password. | 
      | RepeatButton | Make a button that is active as long as the user holds it down. | 
      | ScrollTo | Scrolls all enclosing scrollviews so they try to make position visible. | 
      | SelectionGrid | Make a grid of buttons. | 
      | SetNextControlName | Set the name of the next control. | 
      | TextArea | Make a Multi-line text area where the user can edit a string. | 
      | TextField | Make a single-line text field where the user can edit a string. | 
      | Toggle | Make an on/off toggle button. | 
      | Toolbar | Make a toolbar. | 
      | UnfocusWindow | Remove focus from all windows. | 
      | VerticalScrollbar | Make a vertical scrollbar. Scrollbars are what you use to scroll through a document. Most likely, you want to use scrollViews instead. | 
      | VerticalSlider | A vertical slider the user can drag to change a value between a min and a max. | 
      | Window | Make a popup window. |