添加Avalonia项目的demo

Serein.Workbench.Avalonia/Custom/ViewModels/MainMenuBarViewModel.cs

@@ -0,0 +1,36 @@
+using Microsoft.Extensions.DependencyInjection;
+using Serein.Library.Api;
+using Serein.Library.Utils;
+using Serein.Workbench.Avalonia.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Workbench.Avalonia.Custom.ViewModels
+{
+    internal partial class MainMenuBarViewModel : ViewModelBase
+    {
+        private IFlowEnvironment flowEnvironment { get; }
+
+        
+        public MainMenuBarViewModel()
+        {
+            flowEnvironment = App.GetService<IFlowEnvironment>();
+
+            var uiContextOperation = App.GetService<UIContextOperation>();
+        }
+
+        public void SaveProjectCommand()
+        {
+            flowEnvironment.SaveProject();
+        }
+
+
+    }
+
+
+
+}