【转】编写高质量代码改善C#程序的157个建议——建议51：具有可释放字段的类型或拥有本机资源的类型应该是可释放的

    class AnotherSampleClass : IDisposable
    {
        private AnotherResource managedResource = new AnotherResource();
        private bool disposed = false;

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

        ~AnotherSampleClass()
        {
            Dispose(false);
        }

        protected virtual void Dispose(bool disposing)
        {
            if (disposed)
            {
                return;
            }
            if (disposing)
            {
                // 清理托管资源
                if (managedResource != null)
                {
                    managedResource.Dispose();
                    managedResource = null;
                }
            }
            disposed = true;
        }

        public void SamplePublicMethod()
        {
            if (disposed)
            {
                throw new ObjectDisposedException("AnotherSampleClass", "AnotherSampleClass is disposed");
            }
            //省略
        }
    }