:fire:增加自定义背景保存

Util/DeepCopyUtil.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GeekDesk.Util
+{
+    public static class DeepCopyUtil
+    {
+        // 使用序列化和反序列化实现深度拷贝
+        public static T DeepCopy<T>(T obj)
+        {
+            if (obj == null)
+                throw new ArgumentNullException(nameof(obj));
+
+            using (var memoryStream = new MemoryStream())
+            {
+                var formatter = new BinaryFormatter();
+                formatter.Serialize(memoryStream, obj); // 序列化
+                memoryStream.Seek(0, SeekOrigin.Begin);
+                return (T)formatter.Deserialize(memoryStream); // 反序列化
+            }
+        }
+    }
+}