It's pressed while the filedialog is active, which is fine. But when I choose the file and dismiss filedialog, the stupid button stays pressed.<br><br>I can't believe that, over the last 2 weeks ...

Where To Go From Here? This development tutorial only gave you a broad overview of Tkinter, but if you're planning on doing more GUI-based apps, you'll have to get a better grasp of what it can do.