winform 关闭窗体 释放内存

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        private void formclosed
        {
            FlushMemory();
        }

        [DllImport("kernel32.dll")]
        private static extern bool SetProcessWorkingSetSize(IntPtr process, int minSize, int maxSize);
        private static void FlushMemory()
        {
            GC.Collect();
            GC.WaitForPendingFinalizers();
            if (Environment.OSVersion.Platform == PlatformID.Win32NT)
                SetProcessWorkingSetSize(Process.GetCurrentProcess().Handle, -1, -1);
        } 

winform 关闭窗体 释放内存

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原文地址：http://www.cnblogs.com/zhangxiaoshuai/p/4918484.html