IDiaDataSource::get_lastError
Applies to: 
Visual Studio 
Visual Studio for Mac
Note
This article applies to Visual Studio 2017. If you're looking for the latest Visual Studio documentation, see Visual Studio documentation. We recommend upgrading to the latest version of Visual Studio. Download it here
Retrieves the file name for the last load error.
Syntax
HRESULT get_lastError (
BSTR* pRetVal
);
Parameters
pRetVal
[out] Returns a string that contains the .pdb file name associated with the last load error.
Return Value
Returns the last error code caused by a load operation. Returns E_INVALIDARG if the pRetVal parameter is NULL.
Example
BSTR fileName;
HRESULT errorCode = pSource->get_lastError( &fileName );