使用新框架与技术代替旧框架与技术，实现涂装车间后道标签扫码程序

RIZO_Application/RIZO_Application.Core/Mvvm/RegionViewModelBase.cs

@@ -0,0 +1,36 @@
+using System;
+using Prism.Events;
+using Prism.Regions;
+
+namespace RIZO_Application.Core.Mvvm
+{
+    public class RegionViewModelBase : ViewModelBase, INavigationAware, IConfirmNavigationRequest
+    {
+        protected IRegionManager RegionManager { get; private set; }
+
+        public RegionViewModelBase(IRegionManager regionManager)
+        {
+            RegionManager = regionManager;
+        }
+
+        public virtual void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
+        {
+            continuationCallback(true);
+        }
+
+        public virtual bool IsNavigationTarget(NavigationContext navigationContext)
+        {
+            return true;
+        }
+
+        public virtual void OnNavigatedFrom(NavigationContext navigationContext)
+        {
+
+        }
+
+        public virtual void OnNavigatedTo(NavigationContext navigationContext)
+        {
+
+        }
+    }
+}