code: function toControl(sId, bInvalidate) {
  		if (!sId) {
  			return null;
  		}
  
  		var oControl = sap.ui.getCore().byId(sId);
  		// a control must only be invalidated if there is already a DOM Ref. If there is no DOM Ref yet, it will get
  		// rendered later in any case. Elements must always be invalidated because they have no own renderer.
  		if (oControl && bInvalidate && (!oControl.isA('sap.ui.core.Control') || oControl.getDomRef())) {
  			oControl.invalidate();
  		}
  
  		return oControl;
  	}
docs: Returns the control for the given id (if available) and invalidates it if desired