Add a QuickEvent for the B_POPULATE button's CLICK event with a QuickEvent option to Execute a Procedure, TEST_LB. The parameters for the Quick Event should be:
'@SELF', 'CLICK'
The settings should display as shown below:
When the window is run, after the B_POPULATE button is clicked, the hierarchical list box should be populated as shown below:
Note how the tabs are used to display the outline levels.
