GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
g_signal_connect_after (selection, "changed",
G_CALLBACK (wxdataview_selection_changed_callback), this);
g_signal_connect_after (m_treeview, "row_activated",
G_CALLBACK (wxdataview_row_activated_callback), this);
GtkTreeSelection *selection = gtk_tree_view_get_selection( GTK_TREE_VIEW(m_treeview) );
g_signal_connect_after (selection, "changed",
G_CALLBACK (wxdataview_selection_changed_callback), this);
g_signal_connect_after (m_treeview, "row_activated",
G_CALLBACK (wxdataview_row_activated_callback), this);