/// <summary> /// Creates the document. /// </summary> /// <param name="view">The view.</param> /// <param name="tag">The tag.</param> /// <returns> /// The created layout document. /// </returns> /// <exception cref="ArgumentNullException">The <paramref name="view" /> is <c>null</c>.</exception> public static LayoutAnchorable CreateDocument(FrameworkElement view, object tag = null) { Argument.IsNotNull("view", view); LayoutAnchorable layoutDocument; var documentView = view as DocumentView; if (ContextualViewModelManager.IsNestedDockview(documentView.ViewModel)) { layoutDocument = WrapViewInNestedDockManager(view, tag, true); ContextualViewModelManager.AddContextSensitiveViewsToNestedDockView(documentView.ViewModel, (NestedDockingManager)layoutDocument.Content); } else { layoutDocument = WrapViewInLayoutDocument(view, tag, true); } ContextualViewModelManager.RegisterOpenDocumentView(documentView); return(layoutDocument); }