Describes whether a GtkFileChooser is being used to open existing files or to save to a possibly new file.
Value | Symbolic name | Description |
| Gtk::FILE_CHOOSER_ACTION_OPEN | Indicates open mode. The file chooser will only let the user pick an existing file. | |
| Gtk::FILE_CHOOSER_ACTION_SAVE | Indicates save mode. The file chooser will let the user pick an existing file, or type in a new filename. | |
| Gtk::FILE_CHOOSER_ACTION_SELECT_FOLDER | Indicates an Open mode for selecting folders. The file chooser will let the user pick an existing folder. | |
| Gtk::FILE_CHOOSER_ACTION_CREATE_FOLDER | Indicates a mode for creating a new folder. The file chooser will let the user name an existing or new folder. |