| BeginGroup | Begin a group. Must be matched with a call to GUI.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 | If you want to have the entire window background to act as a drag area, use the version of DragWindow that takes no parameters and put it at the end of the window function. |
| 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. |