Lesson 9: Running the Debugger

Sometimes your application does not behave the way you think it will. Perhaps a variable is not being assigned the value you expect, or a script does not do what you want it to. In these situations, you can closely examine your application by running it in debug mode.

In debug mode, you can set breakpoints (stops) in scripts and functions, step through the code line by line, and display the contents of variables to locate logic errors and mistakes that result in errors during execution. When you run your application in debug mode, PowerBuilder suspends execution just before it hits a line containing a breakpoint. You can then look at and correct the values of variables.

In this lesson you:

NoteHow long does it take? About 20 minutes.