C#实现清理系统内存

  　　　[DllImport("psapi.dll")]
        static extern int EmptyWorkingSet(IntPtr hwProc);

        /// <summary>
        /// 释放内存
        /// </summary>
        public static void ClearMemory()
        {
            GC.Collect();
            GC.WaitForPendingFinalizers();
            Process[] processes = Process.GetProcesses();
            foreach (Process process in processes)
            {
                //对于系统进程会拒绝访问，导致出错，此处对异常不进行处理。try
                {
                    EmptyWorkingSet(process.Handle);
                }
                catch
                {
                }
            }
        }