Release 10.1A: OpenEdge Development:
Progress Dynamics Basic Development

Defining the TreeView window

Now you are ready to assemble these nodes into a completed dynamic TreeView window. Figure 9–4 shows the various styles of trees that you can build.

Figure 9–4: Examples of TreeView styles

In the example, you will use the style that shows all the available elements (Pictures and Text with Tree Lines and Plus/Minus).

To build a TreeView window:

From the AppBuilder, select Build Dynamic TreeView Builder, as shown:



Click the New button.
Choose the Lookup button in the Create from existing dynamic TreeView section, as shown:



Choose rytemdyntree and click the Select button. This is the standard template for dynamic TreeViews.
Click Create.
Type a Name for the new TreeView, add a Description, and specify the EMP Product Module.
Type a Window Title and specify Department for the Root Node Code, as shown:



Click Save.
Note: The Type field is provided for specifying custom classes that extend the TreeView class. If you create an extended class, make sure the Layout Supported flag is set to YES in the Object Type maintenance viewer.