using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.ComponentModel;
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using System.Collections;
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using System.IO;
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using System.Xml;
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using System.Net;
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namespace CY_DocumentSynchroWCFService
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{
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public class AppUpdater : IDisposable
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{
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#region 成员与字段属性
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private string _updaterUrl;
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private bool disposed = false;
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private IntPtr handle;
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private Component component = new Component();
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[System.Runtime.InteropServices.DllImport("Kernel32")]
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private extern static Boolean CloseHandle(IntPtr handle);
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public string UpdaterUrl
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{
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set { _updaterUrl = value; }
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get { return this._updaterUrl; }
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}
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#endregion
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/// <summary>
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/// AppUpdater构造函数
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/// </summary>
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public AppUpdater()
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{
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this.handle = handle;
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}
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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private void Dispose(bool disposing)
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{
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if (!this.disposed)
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{
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if (disposing)
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{
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component.Dispose();
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}
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CloseHandle(handle);
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handle = IntPtr.Zero;
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}
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disposed = true;
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}
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~AppUpdater()
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{
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Dispose(false);
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}
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/// <summary>
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/// 检查更新文件
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/// </summary>
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/// <param name="serverXmlFile"></param>
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/// <param name="localXmlFile"></param>
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/// <param name="updateFileList"></param>
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/// <returns></returns>
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public int CheckForUpdate(string serverXmlFile, string localXmlFile, out Hashtable updateFileList)
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{
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updateFileList = new Hashtable();
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if (!File.Exists(localXmlFile) || !File.Exists(serverXmlFile))
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{
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return -1;
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}
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XmlFiles serverXmlFiles = new XmlFiles(serverXmlFile);
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XmlFiles localXmlFiles = new XmlFiles(localXmlFile);
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string newAppVersion = serverXmlFiles.GetNodeValue("//Version");
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string oldAppVerson = localXmlFiles.GetNodeValue("//Version");
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if (newAppVersion.CompareTo(oldAppVerson) <= 0)
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{
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return -1;
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}
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XmlNodeList newNodeList = serverXmlFiles.GetNodeList("AutoUpdater/Files");
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XmlNodeList oldNodeList = localXmlFiles.GetNodeList("AutoUpdater/Files");//5+1+a+s+p+x
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int k = 0;
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for (int i = 0; i < newNodeList.Count; i++)
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{
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string[] fileList = new string[3];
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string newFileName = newNodeList.Item(i).Attributes["Name"].Value.Trim();
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string newVer = newNodeList.Item(i).Attributes["Ver"].Value.Trim();
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ArrayList oldFileAl = new ArrayList();
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for (int j = 0; j < oldNodeList.Count; j++)
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{
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string oldFileName = oldNodeList.Item(j).Attributes["Name"].Value.Trim();
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string oldVer = oldNodeList.Item(j).Attributes["Ver"].Value.Trim();
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oldFileAl.Add(oldFileName);
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oldFileAl.Add(oldVer);
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}
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int pos = oldFileAl.IndexOf(newFileName);
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if (pos == -1)
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{
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fileList[0] = newFileName;
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fileList[1] = newVer;
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updateFileList.Add(k, fileList);
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k++;
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}
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else if (pos > -1 && newVer.CompareTo(oldFileAl[pos + 1].ToString()) > 0)
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{
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fileList[0] = newFileName;
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fileList[1] = newVer;
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updateFileList.Add(k, fileList);
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k++;
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}
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}
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XmlNodeList newSqlList = serverXmlFiles.GetNodeList("AutoUpdater/SQLList");
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if (newSqlList != null && newSqlList.Count > 0)
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{
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string[] fileList = new string[3];
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fileList[0] = "更新数据库";
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fileList[1] = string.Empty;
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updateFileList.Add(k, fileList);
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k++;
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}
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return k;
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}
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/// <summary>
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/// 检查更新文件
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/// </summary>
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/// <param name="serverXmlFile"></param>
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/// <param name="localXmlFile"></param>
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/// <param name="updateFileList"></param>
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/// <returns></returns>
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public int CheckForUpdate()
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{
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string path = "";
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#if DEBUG
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path = System.AppDomain.CurrentDomain.BaseDirectory.Replace("\\bin\\Debug", "");
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#else
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path = System.AppDomain.CurrentDomain.BaseDirectory;
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#endif
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string localXmlFile = path + "\\UpdateList.xml";
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if (!File.Exists(localXmlFile))
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{
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return -1;
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}
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XmlFiles updaterXmlFiles = new XmlFiles(localXmlFile);
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string tempUpdatePath = Environment.GetEnvironmentVariable("Temp") + "\\" + "_" + updaterXmlFiles.FindNode("//Application").Attributes["applicationId"].Value + "_" + "y" + "_" + "x" + "_" + "m" + "_" + "\\";
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this.UpdaterUrl = updaterXmlFiles.GetNodeValue("//Url") + "/UpdateList.xml";
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this.DownAutoUpdateFile(tempUpdatePath);
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string serverXmlFile = tempUpdatePath + "\\UpdateList.xml";
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if (!File.Exists(serverXmlFile))
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{
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return -1;
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}
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XmlFiles serverXmlFiles = new XmlFiles(serverXmlFile);
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XmlFiles localXmlFiles = new XmlFiles(localXmlFile);
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XmlNodeList newNodeList = serverXmlFiles.GetNodeList("AutoUpdater/Files");
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XmlNodeList oldNodeList = localXmlFiles.GetNodeList("AutoUpdater/Files");
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int k = 0;
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for (int i = 0; i < newNodeList.Count; i++)
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{
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string[] fileList = new string[3];
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string newFileName = newNodeList.Item(i).Attributes["Name"].Value.Trim();
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string newVer = newNodeList.Item(i).Attributes["Ver"].Value.Trim();
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ArrayList oldFileAl = new ArrayList();
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for (int j = 0; j < oldNodeList.Count; j++)
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{
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string oldFileName = oldNodeList.Item(j).Attributes["Name"].Value.Trim();
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string oldVer = oldNodeList.Item(j).Attributes["Ver"].Value.Trim();
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oldFileAl.Add(oldFileName);
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oldFileAl.Add(oldVer);
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}
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int pos = oldFileAl.IndexOf(newFileName);
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if (pos == -1)
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{
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fileList[0] = newFileName;
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fileList[1] = newVer;
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k++;
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}
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else if (pos > -1 && newVer.CompareTo(oldFileAl[pos + 1].ToString()) > 0)
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{
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fileList[0] = newFileName;
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fileList[1] = newVer;
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k++;
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}
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}
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return k;
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}
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/// <summary>
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/// 返回下载更新文件的临时目录
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/// </summary>
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/// <returns></returns>
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public void DownAutoUpdateFile(string downpath)
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{
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if (!System.IO.Directory.Exists(downpath))
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{
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System.IO.Directory.CreateDirectory(downpath);
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}
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else
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{
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System.IO.Directory.Delete(downpath, true);
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System.IO.Directory.CreateDirectory(downpath);
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}
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string serverXmlFile = downpath + @"/UpdateList.xml";
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WebRequest req = WebRequest.Create(this.UpdaterUrl);
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WebResponse res = req.GetResponse();
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WebClient wClient = new WebClient();
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try
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{
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if (res.ContentLength > 0)
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{
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try
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{
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wClient.DownloadFile(this.UpdaterUrl, serverXmlFile);
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}
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catch (Exception ex)
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{
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throw ex;
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}
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}
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}
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catch (Exception ex)
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{
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throw ex;
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}
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finally
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{
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req.Abort();
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res.Close();
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wClient.Dispose();
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}
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//return tempPath;
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}
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}
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}
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