shadowsocks-windows/shadowsocks-csharp/Util/Util.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Text;

namespace Shadowsocks.Util
{
    public class Util
    {
        public static void ReleaseMemory()
        {
            // release any unused pages
            // making the numbers look good in task manager
            // this is totally nonsense in programming
            // but good for those users who care
            // making them happier with their everyday life
            // which is part of user experience
            GC.Collect(GC.MaxGeneration);
            GC.WaitForPendingFinalizers();
            SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle,
                (UIntPtr)0xFFFFFFFF, (UIntPtr)0xFFFFFFFF);
        }

        [DllImport("kernel32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        private static extern bool SetProcessWorkingSetSize(IntPtr process,
            UIntPtr minimumWorkingSetSize, UIntPtr maximumWorkingSetSize);
    }
}