This function initiates a directory selection operation by
presenting a file chooser dialog to the user.
If you pass initial_folder, the file chooser will initially be
opened in the parent directory of that folder, otherwise, it
will be in the directory propertyGtk.FileDialog:initial-folder.
This function initiates a directory selection operation by presenting a file chooser dialog to the user.
If you pass initial_folder, the file chooser will initially be opened in the parent directory of that folder, otherwise, it will be in the directory propertyGtk.FileDialog:initial-folder.
The callback will be called when the dialog is dismissed. It should call gtk.file_dialog.FileDialog.selectFolderFinish to obtain the result.