With HResult the execution mode can combine MDX and XML in a single run tree, allowing for much higher flexibility and query performance.

通过 HResult，执行模式可以在单个运行树中结合 MDX 和 XML，实现更高的灵活性和查询性能。

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COM methods usually return an HRESULT, indicating that the call succeeded or failed.

COM方法通常会传回HRESULT，表示呼叫成功或失败。

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When managed code throws an exception, the runtime passes the HRESULT to the COM client.

当托管代码引发异常时，运行时将 HRESULT 传递给 COM 客户端。

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