private void OnEnable()
        {
            s_ActiveInspectors.Add(this);
            RootElement = new VisualElement {
                name = "Entity Inspector"
            };
            RootElement.style.marginBottom  = RootElement.style.marginTop = RootElement.style.marginLeft = RootElement.style.marginRight = 0;
            RootElement.style.paddingBottom = RootElement.style.paddingTop = RootElement.style.paddingLeft = RootElement.style.paddingRight = 0;
            RootElement.AddStyleSheetSkinVariant(StyleSheets.Inspector.StyleSheet);

            Application.BeginAuthoringProject += EnterAuthoringContext;
            Application.EndAuthoringProject   += ExitAuthoringContext;
            EnterAuthoringContext(Application.AuthoringProject);
        }