⚡ 增加多文件备份, 尝试修复UI假死状态, 修复高分屏缩放导致的鼠标追随bug

Task/BakTask.cs

@@ -0,0 +1,92 @@
+using GeekDesk.Constant;
+using GeekDesk.ViewModel;
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Runtime.Serialization.Formatters.Binary;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace GeekDesk.Task
+{
+    internal class BakTask
+    {
+
+        public static void Start()
+        {
+            System.Timers.Timer timer = new System.Timers.Timer
+            {
+                Enabled = true,
+                Interval = 60 * 1000 * 60, //60秒 * 60分钟
+                //Interval = 6000,
+            };
+            timer.Start();
+            timer.Elapsed += Timer_Elapsed;
+        }
+
+        private static void Timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
+        {
+            DirectoryInfo dirInfo = new DirectoryInfo(Constants.DATA_FILE_BAK_DIR_PATH);
+
+            string todayBakName = DateTime.Now.ToString("yyyy-MM-dd") + ".bak";
+
+            string bakDaysStr = ConfigurationManager.AppSettings["BakDays"];
+            int bakDays = 7;
+            if (bakDaysStr != null && !"".Equals(bakDaysStr.Trim()))
+            {
+                bakDays = Int32.Parse(bakDaysStr.Trim());
+            }
+
+            string bakFilePath = Constants.DATA_FILE_BAK_DIR_PATH + "\\" + todayBakName;
+            if (dirInfo.Exists)
+            {
+                // 获取文件信息并按创建时间倒序排序
+                FileInfo[] files = dirInfo.GetFiles();
+                if (files.Length > 0)
+                {
+                    FileInfo[] sortedFiles = files.OrderByDescending(file => file.CreationTime).ToArray();
+                    if (!sortedFiles[0].Name.Equals(todayBakName))
+                    {
+                        //今天未创建备份  开始创建今天的备份
+                        createBakFile(bakFilePath);
+                    }
+
+                    //判断文件是否超过了7个  超过7个就删除
+                    if (sortedFiles.Length > bakDays)
+                    {
+                        for (int i = bakDays; i < sortedFiles.Length; i++)
+                        {
+                            sortedFiles[i].Delete();
+                        }
+                    }
+
+                } else
+                {
+                    //没有文件 直接创建今天的备份
+                    createBakFile(bakFilePath);
+                }
+                
+            }
+            else
+            {
+                dirInfo.Create();
+            }
+        }
+
+        //创建备份文件
+        private static void createBakFile(string filePath)
+        {
+            using (FileStream fs = new FileStream(filePath, FileMode.Create))
+            {
+                BinaryFormatter bf = new BinaryFormatter();
+                bf.Serialize(fs, MainWindow.appData);
+            }
+        }
+
+
+    }
+}