小编fum*_*hez的帖子

我多次偶然发现 Microsoft 推荐的实现 IDisposable 模式的方法，它甚至在 Visual Studio 中作为灯图标菜单中的“实现接口”选项出现。它看起来像这样：

// Override only if 'Dispose(bool disposing)' has code to free unmanaged resources
~Foo() {
    // Do not change this code.
    Dispose(calledByFinalizer: true);
}

public void Dispose() {
    // Do not change this code. 
    Dispose(calledByFinalizer: false);
    GC.SuppressFinalize(this);
}

// Put cleanup code here
protected virtual void Dispose(bool calledByFinalizer) {
    if (_disposed) return;

    if (!calledByFinalizer) { /* dispose managed objects */ }

    /* free unmanaged resources and set large fields to null */

    _disposed …