C#实现刷新桌面的方法

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
namespace FileEncryptProject.Algorithm
{
  public class DesktopRefurbish
  {
    /// <summary>
    /// 桌面刷新
    /// </summary>
    [DllImport("shell32.dll")]
    public static extern void SHChangeNotify(HChangeNotifyEventID wEventId, HChangeNotifyFlags uFlags, IntPtr dwItem1, IntPtr dwItem2);
    public static void DeskRef()
    {
      SHChangeNotify(HChangeNotifyEventID.SHCNE_ASSOCCHANGED, HChangeNotifyFlags.SHCNF_IDLIST, IntPtr.Zero, IntPtr.Zero);
    }
  }
  #region public enum HChangeNotifyFlags
  [Flags]
  public enum HChangeNotifyFlags
  {
    SHCNF_DWORD = 0x0003,
    SHCNF_IDLIST = 0x0000,
    SHCNF_PATHA = 0x0001,
    SHCNF_PATHW = 0x0005,
    SHCNF_PRINTERA = 0x0002,
    SHCNF_PRINTERW = 0x0006,
    SHCNF_FLUSH = 0x1000,
    SHCNF_FLUSHNOWAIT = 0x2000
  }
  #endregion//enum HChangeNotifyFlags
  #region enum HChangeNotifyEventID
  [Flags]
  public enum HChangeNotifyEventID
  {
    SHCNE_ALLEVENTS = 0x7FFFFFFF,
    SHCNE_ASSOCCHANGED = 0x08000000,
    SHCNE_ATTRIBUTES = 0x00000800,
    SHCNE_CREATE = 0x00000002,
    SHCNE_DELETE = 0x00000004,
    SHCNE_DRIVEADD = 0x00000100,
    SHCNE_DRIVEADDGUI = 0x00010000,
    SHCNE_DRIVEREMOVED = 0x00000080,
    SHCNE_EXTENDED_EVENT = 0x04000000,
    SHCNE_FREESPACE = 0x00040000,
    SHCNE_MEDIAINSERTED = 0x00000020,
    SHCNE_MEDIAREMOVED = 0x00000040,
    SHCNE_MKDIR = 0x00000008,
    SHCNE_NETSHARE = 0x00000200,
    SHCNE_NETUNSHARE = 0x00000400,
    SHCNE_RENAMEFOLDER = 0x00020000,
    SHCNE_RENAMEITEM = 0x00000001,
    SHCNE_RMDIR = 0x00000010,
    SHCNE_SERVERDISCONNECT = 0x00004000,
    SHCNE_UPDATEDIR = 0x00001000,
    SHCNE_UPDATEIMAGE = 0x00008000,
  }
  #endregion
}