The latest version of this topic can be found at _com_error::Description.

Microsoft Specific**

Calls IErrorInfo::GetDescription function.

_bstr_t Description( ) const;  

Returns the result of IErrorInfo::GetDescription for the IErrorInfo object recorded within the _com_error object. The resulting BSTR is encapsulated in a _bstr_t object. If no IErrorInfo is recorded, it returns an empty _bstr_t.

Calls the IErrorInfo::GetDescription function and retrieves IErrorInfo recorded within the _com_error object. Any failure while calling the IErrorInfo::GetDescription method is ignored.

END Microsoft Specific

_com_error Class