[plt-scheme] File list widget

On May 25, Paulo J. Matos wrote:
> DrScheme interface has a file list widget, you click on Open and you
> get a window where you can choose a file to open. I would like to
> have that widget. Since it seems there's no available widget handy
> (at least by looking at MrEd Docs) I would like to know where is the
> code for that.

`get-file'?

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