C#内存泄漏的事例

            using (FileStream fsWrite = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write))
            {
                string str = "我好像不能全部覆盖源文件中的数据";
                byte[] buffer = Encoding.Default.GetBytes(str);
                fsWrite.Write(buffer,0,buffer.Length);//无返回值，以字节数组的形式写入数据
            }

　　　　　　　string path =@"C:\Users\fighting  man\Desktop\FileStream的使用\vs快捷键.txt" ;
            FileStream fsRead = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Read);
            //三个参数（参数1读取文件的路径，参数2对文件的做什么样的操作，参数3对文件中的数据做什么样的操作）
            //FileStream 用来操作字节（不是一次性读取对内存压力小适合读大文件）
            try
            {
                //创建FileStream类的对象（路径，对文件的操作，对文本文件数据的操作）
                byte[] buffer = new byte[1024 * 1024 * 1];
                int r = fsRead.Read(buffer, 0, buffer.Length);//把数据读到字节数组中，返回实际读到的有效字节数
                string str = Encoding.Default.GetString(buffer, 0, r);//解码到实际读到的字节数
            }
            finally
            {
                fsRead.Close();//关闭流
                fsRead.Dispose();//释放流
            }

public class DealData : IDisposable
    {
        private bool disposed = false;

        private System.Timers.Timer t = new System.Timers.Timer();

        private Listobject> listAll;

        public void Dispose()
        {
            Dispose(true);
            GC.SuppressFinalize(this);
        }

        protected virtual void Dispose(bool disposing)
        {
            if (!disposed)
            {
                if (disposing)
                {
                    listAll.Clear();
                    //释放托管资源
                }
                t.Dispose();
                //释放非托管资源
                disposed = true;
            }
        }

        ~DealData() {
            MessageBox.Show("析构函数");
        }
    }

public class MySingletonClass
{
    private static MySingletonClass myInstance;
    private static List bigObjects = new List();
    private MySingletonClass(){}
    public static MySingletonClass MyInstance
    {
        get
        {
            if(myInstance == null)
            {
                myInstance = new MySingletonClass();
            }
            return myInstance;
        }
    }
    public static IAmBig CreateBigObject()
    {
        var bigObject = new IAmBig();
        bigobject.AllocateMemory(4096);
        bigObjects.add(bigObject);
        return bigObject;
    }
}
public class IAmBig
{
    
}