ColorManager colors = controller.getColors();
CControl control = controller.getProperties().get( CControl.CCONTROL );
try{
colors.lockUpdate();
ExtensionName<CColorBridgeExtension> name = new ExtensionName<CColorBridgeExtension>(
CColorBridgeExtension.EXTENSION_NAME, CColorBridgeExtension.class, CColorBridgeExtension.PARAMETER_NAME, this );
List<CColorBridgeExtension> extensions = controller.getExtensions().load( name );