C# 刷新win7桌面

这是我之前找到的刷新桌面的代码，由于时间久了，忘记是从哪里看到的了，请见谅！经本人测试过，确实能够刷新win7桌面

/// <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