+ if ( !GetEntry() )
+ return;
+
+ if ( enable )
+ {
+ g_signal_handlers_unblock_by_func(gtk_bin_get_child(GTK_BIN(m_widget)),
+ (gpointer)gtkcombobox_text_changed_callback, this);
+ }
+ else // disable
+ {
+ g_signal_handlers_block_by_func(gtk_bin_get_child(GTK_BIN(m_widget)),