Testing the application in PowerBuilder

Before you try your application in a client browser, you can test it in PowerBuilder by defining a main window that opens the child window.

To test your PowerBuilder window plug-in application:

Create a new window object whose type is main (the default).
Write a script for the Open event that opens the plug-in’s starting child window:
```
Open(w_child)
```
For convenience, you can set appropriate window sizes in the Window painter:
- Make the main window large enough to display the child
- Position the child window in the upper-left corner (use the Position fields in the Other tab of the Properties view)
Run the test window by clicking the Preview button or selecting File>Run/Preview.

Debugging in PowerBuilder To use the PowerBuilder debugger, you need to run an application instead of a single window. Define an Application object with a script that opens the main window. Then you can use the Run or Debug command to test the application.