Extracted from Pike v7.8 release 866 at 2016-11-06.
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GTK2
GTK2.FileChooser

Methods
 add_filter()
 add_shortcut_folder()
 add_shortcut_folder_uri()
 get_action()
 get_current_folder()
 get_current_folder_uri()
 get_do_overwrite_confirmation()
 get_extra_widget()
 get_filename()
 get_filenames()
 get_filter()
 get_local_only()
 get_preview_filename()
 get_preview_uri()
 get_preview_widget()
 get_preview_widget_active()
 get_select_multiple()
 get_show_hidden()
 get_uri()
 get_uris()
 get_use_preview_label()
 list_filters()
 list_shortcut_folder_uris()
 list_shortcut_folders()
 remove_filter()
 remove_shortcut_folder()
 remove_shortcut_folder_uri()
 select_all()
 select_filename()
 select_uri()
 set_action()
 set_current_folder()
 set_current_folder_uri()
 set_current_name()
 set_do_overwrite_confirmation()
 set_extra_widget()
 set_filename()
 set_filter()
 set_local_only()
 set_preview_widget()
 set_preview_widget_active()
 set_select_multiple()
 set_show_hidden()
 set_uri()
 set_use_preview_label()
 unselect_all()
 unselect_filename()
 unselect_uri()
previousGTK2.FileChooser()->set_preview_widget()
GTK2.FileChooser()->set_select_multiple()next

Method GTK2.FileChooser()->set_preview_widget_active()

Method set_preview_widget_active

GTK2.FileChooser set_preview_widget_active(int setting)

Description

Sets whether the preview widget set by set_preview_widget() should be shown for the current filename. When setting is set to false, the file chooser may display an internally generated preview of the current file or it may display no preview at all.