| Value | Meaning |
|---|---|
| Open0 | Indicates open mode. The file chooser will only let the user pick an existing file. |
| Save1 | Indicates save mode. The file chooser will let the user pick an existing file, or type in a new filename. |
| SelectFolder2 | Indicates an Open mode for selecting folders. The file chooser will let the user pick an existing folder. |
Describes whether a gtk.file_chooser.FileChooser is being used to open existing files or to save to a possibly new file.