Réponse acceptée !
Rien dans la doc ? ca m'étonnerait ca. "Ma doc" voila ce qu'elle me donne :) :
gtk_file_chooser_set_current_folder ()
gboolean gtk_file_chooser_set_current_folder (GtkFileChooser *chooser,
const gchar *filename);
Sets the current folder for chooser from a local filename.
The user will be shown the full contents of the current folder,
plus user interface elements for navigating to other folders.
chooser : | a GtkFileChooser |
filename : | the full path of the new current folder
|
| Returns : | TRUE if the folder could be changed successfully, FALSE
otherwise.
|
http://developer.gnome.org/doc/API/2.0/gtk/GtkFileChooser.html#gtk-file-chooser-set-current-folder