添加项目文件。

UIShare/ViewModelBase/DialogViewModelBase.cs

@@ -0,0 +1,27 @@
+using Notifications.Wpf.Core;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace UIShare.ViewModelBase
+{
+    public abstract class DialogViewModelBase : BindableBase,IDialogAware
+    {
+        public DialogCloseListener RequestClose { get; set; }
+        public IEventAggregator _eventAggregator;
+        private INotificationManager _notificationManager;
+        public DialogViewModelBase(IContainerProvider containerProvider)
+        {
+            _eventAggregator = containerProvider.Resolve<IEventAggregator>();
+            _notificationManager = containerProvider.Resolve<INotificationManager>();
+        }
+        #region Dialog
+
+        public virtual bool CanCloseDialog() => true;
+        public virtual void OnDialogClosed() { }
+        public virtual void OnDialogOpened(IDialogParameters parameters) { }
+        #endregion
+    }
+}