Composition Editor
Use the Composition Editor to visually construct the user interface parts that make up your application.
Fields
The Composition Editor has the following fields:
When you develop your applications you work extensively in these fields.
Menu-bar choices
•File
•Edit
•View
•Help
View icons
Using the icons 
in the lower-right corner of the window, you can switch between the three views of a part.
in the lower-right corner of the window, you can switch between the three views of a part. Tasks
Last modified date: 09/17/2019