Example: Add user interface parts
Suppose you have a visual part named 
DirectoryView, for which you want to add the following user interface: 

To define this user interface, first, add a push button to the empty window in the Composition Editor: 
1.	Select 

(Buttons category) and 

(Push Button part) from the parts palette. After you select them, the status line along the bottom of the editor shows: 
Category: Buttons Part: Push Button  2.	Click on the upper-right of the window. This adds the push button. 
Next, add the other parts. You'll need: 
•Text 

in the 

 category
 •PushButton xx in yy category
•Multiple Select List 

  in the 

 category 
  
After you add the parts, the window resembles: 
Last modified date: 03/28/2020