GC 回收WPF 内存 C#通用

 public class FlushMemory
    {
        [DllImport("kernel32.dll")]

        public static extern bool SetProcessWorkingSetSize(IntPtr proc, int min, int max);
        /// <summary>
        /// 释放内存
        /// </summary>
        public static void Flush()
        {

            GC.Collect();

            GC.WaitForPendingFinalizers();

            if (Environment.OSVersion.Platform == PlatformID.Win32NT)
            {
                SetProcessWorkingSetSize(System.Diagnostics.Process.GetCurrentProcess().Handle, -1, -1);
            }

        }

    }