代码修改后的版本，全部提交

COSXML/Model/Object/UploadPartCopyResult.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+
+using System.Text;
+using COSXML.Model.Tag;
+using COSXML.Transfer;
+
+namespace COSXML.Model.Object
+{
+    /// <summary>
+    /// 分片复制返回的结果
+    /// <see cref="https://cloud.tencent.com/document/product/436/12633"/>
+    /// </summary>
+    public sealed class UploadPartCopyResult : CosResult
+    {
+        /// <summary>
+        /// 分片复制的结果信息
+        /// <see cref="Model.Tag.CopyObject"/>
+        /// </summary>
+        public CopyObject copyObject;
+
+        internal override void ParseResponseBody(System.IO.Stream inputStream, string contentType, long contentLength)
+        {
+            copyObject = new CopyObject();
+            XmlParse.ParseCopyObjectResult(inputStream, copyObject);
+        }
+
+        public override string GetResultInfo()
+        {
+            return base.GetResultInfo() + (copyObject == null ? "" : "\n" + copyObject.GetInfo());
+        }
+    }
+}