Display JInternalFrame form inside JDesktopPane in Java

This tutorial shows how to display a JInternalFrame form inside a JDesktopPane in Java. This feature is very helpful especially in you are working with MDI features in your program.

The first thing to do is to create a JFrame Form in your Netbeans project. In my project, I inserted a toolbar into the JFrame and also add a button inside the toolbar. Remember that the code will be inserted into the button located in your toolbar. Next is to add a jDesktopPane inside your JFrame, this element is used to display the jInternalFrame form. Lastly, make sure that you already added a JInternalFrame form.

Source Code:

For further understanding, The code is located in your JFrame form which is inside the button click method of the toolbar. The JDesktopPane is also added to your JFrame form.