添加Avalonia项目的demo

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

@@ -0,0 +1,29 @@
+using Avalonia.Controls;
+using Serein.Library.Api;
+using Serein.NodeFlow.Env;
+using Serein.Workbench.Avalonia.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Workbench.Avalonia.Custom.ViewModels
+{
+    internal class NodeContainerViewModel : ViewModelBase
+    {
+        /// <summary>
+        /// 正在创建方法调用关系的连接线
+        /// </summary>
+        public bool IsConnectionInvokeNode { get; set; } = false;
+        /// <summary>
+        /// 正在创建参数传递关系的连接线
+        /// </summary>
+        public bool IsConnectionArgSourceNode { get; set; } = false;
+        public NodeContainerViewModel()
+        {
+            
+        }
+
+    }
+}