* @param[in] renderer The ControlRenderer to reset
* @param[in] actor The Actor the renderer is applied to if, empty if the renderer has not been applied to any Actor
* @param[in] url The URL to the resource to be rendered.
* @param[in] renderer The ControlRenderer to reset
* @param[in] actor The Actor the renderer is applied to if, empty if the renderer has not been applied to any Actor
* @param[in] url The URL to the resource to be rendered.