暂时实现了简陋的脚本AST分析解释，后面再绑定到控件上

Serein.Script/Node/MemberFunctionCallNode.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Serein.Script.Node
+{
+    /// <summary>
+    /// 对象成员方法调用
+    /// </summary>
+    public class MemberFunctionCallNode : ASTNode
+    {
+        public ASTNode Object { get; }
+        public string FunctionName { get; }
+        public List<ASTNode> Arguments { get; }
+
+        public MemberFunctionCallNode(ASTNode @object, string functionName, List<ASTNode> arguments)
+        {
+            Object = @object;
+            FunctionName = functionName;
+            Arguments = arguments;
+        }
+    }
+}