16 lines
1.1 KiB
Markdown
16 lines
1.1 KiB
Markdown
```python.run
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runnable code goes here
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```## Collapsible Sections
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Visible / Invisible settings on the plain tkinter based PySimpleGUI have been a real challenge. In release 4.28.0 a new function, `pin`, was added that will "pin" an element to a location in your layout. This will reserve the location for the element in the layout. Without it, the element will move when you make it inivisible and visible again.
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There is a 1-pixel "penalty" of sorts when using this capability. A single pixel is needed to reserve and hold this spot, a small price to pay given what you can do with this new capability.
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This demo shows how you can use this feature to make Column elements invisible as if a section of the window has been collapsed with the contents hidden.
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Here is how the demo looks running on Windows
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<iframe src='https://trinket.io/embed/pygame/df2c15979e?start=result' width='100%' height='600' frameborder='0' marginwidth='0' marginheight='0' allowfullscreen></iframe>
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