The Application Builder window is a window that, by default, is placed at the left end of the desktop when you are using the Application Builder. The tree contains nodes for all components (forms, methods, files, and so on) in the application.Figure 4-1: The Application Builder window.Double-clicking a method node in the tree opens its code in an editor tab. If the editor tab associated with the node is already open, the tab is given focus. Right-clicking a node in the tree opens a context menu. This menu contains an Edit option, which also opens the editor. The context menu also contains the standard options for a Model Builder tree node such as Move Up, Move Down, Copy, and Duplicate.