Returns the path of the Help file and the context ID of the topic that explains the error, if possible.

HRESULT GetHelpInfo(
   BSTR*  pbstrFileName,
   DWORD*  pdwContext



[out] String containing the fully qualified path of the Help file. If there is no Help file or an error occurs, the return value is NULL.


[out] The Help context ID for the error. If there is no Help file (if pbstrFileName is NULL), this parameter has no meaning.

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