// release any unused pages , making the numbers look good in task manager

util.cs

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