[System.Runtime.InteropServices.DllImportAttribute("kernel32.dll", EntryPoint = "SetProcessWorkingSetSize", ExactSpelling = true, CharSet =System.Runtime.InteropServices.CharSet.Ansi, SetLastError = true)]

        private static extern int SetProcessWorkingSetSize(IntPtr process, int minimumWorkingSetSize, int maximumWorkingSetSize);

 #region 内存回收

   public  void ClearMemory()

 {

     GC.Collect();

     GC.SuppressFinalize(this);

     if (Environment.OSVersion.Platform == PlatformID.Win32NT)

     {

         SetProcessWorkingSetSize(System.Diagnostics.Process.GetCurrentProcess().Handle, -, -);

     }

 }

 #endregion

ClearMemory();