添加Avalonia项目的demo

Serein.Workbench.Avalonia/Api/IFlowEEForwardingService.cs

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+using Serein.Library.Api;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Workbench.Avalonia.Api
+{
+    /// <summary>
+    /// 流程事件管理，转发流程运行环境中触发的事件到工作台各个订阅者
+    /// </summary>
+    internal interface IFlowEEForwardingService : IFlowEnvironmentEvent
+    {
+
+    }
+}

Serein.Workbench.Avalonia/Api/INodeControl.cs

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+using Serein.Library;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Workbench.Avalonia.Api
+{
+    internal interface INodeControl
+    {
+        /// <summary>
+        /// 对应的节点实体
+        /// </summary>
+        NodeModelBase NodeModelBase { get; }
+
+        /// <summary>
+        /// 初始化使用的方法，设置节点实体
+        /// </summary>
+        /// <param name="nodeModel"></param>
+        void SetNodeModel(NodeModelBase nodeModel);
+    }
+}

Serein.Workbench.Avalonia/Api/INodeJunction.cs

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+using Serein.Library;
+using Serein.Workbench.Avalonia.Custom.Views;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Workbench.Avalonia.Api
+{
+  
+
+
+    /// <summary>
+    /// 约束一个节点应该有哪些控制点
+    /// </summary>
+    public interface INodeJunction
+    {
+        /// <summary>
+        /// 方法执行入口控制点
+        /// </summary>
+        NodeJunctionView ExecuteJunction { get; }
+        /// <summary>
+        /// 执行完成后下一个要执行的方法控制点
+        /// </summary>
+        NodeJunctionView NextStepJunction { get; }
+
+        /// <summary>
+        /// 参数节点控制点
+        /// </summary>
+        NodeJunctionView[] ArgDataJunction { get; }
+        /// <summary>
+        /// 返回值控制点
+        /// </summary>
+        NodeJunctionView ReturnDataJunction { get; }
+
+        /// <summary>
+        /// 获取目标参数控制点，用于防止wpf释放资源导致找不到目标节点，返回-1,-1的坐标
+        /// </summary>
+        /// <param name="index"></param>
+        /// <returns></returns>
+        NodeJunctionView GetJunctionOfArgData(int index)
+        {
+            var arr = ArgDataJunction;
+            if (index >= arr.Length)
+            {
+                return null;
+            }
+            return arr[index];
+        }
+    }
+}