Index: gtk+-2.12.3/gtk/gtkfilechooser.c
===================================================================
--- gtk+-2.12.3.orig/gtk/gtkfilechooser.c	2007-12-04 16:52:08.000000000 +0000
+++ gtk+-2.12.3/gtk/gtkfilechooser.c	2008-01-02 13:15:38.000000000 +0000
@@ -272,6 +272,20 @@
 								"if necessary."),
 							     FALSE,
 							     GTK_PARAM_READWRITE));
+
+  g_object_interface_install_property (g_iface,
+				       g_param_spec_string ("root-folder",
+							    P_("File System Root"),
+							    P_("Root folder for the file system below which the user should not be able to switch"),
+							    NULL,
+							    G_PARAM_WRITABLE));
+
+  g_object_interface_install_property (g_iface,
+				       g_param_spec_boolean ("show-create-folder",
+							     P_("Show Create Folder button"),
+							     P_("Whether the Create Folder button should be visible on the bar"),
+							     TRUE,
+							     G_PARAM_READWRITE));
 }
 
 /**