IDiaSourceFile::get_fileName
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 source file name.
Syntax
HRESULT get_fileName (
BSTR* pRetVal
);
Parameters
pRetVal
[out] Returns the source file name.
Return Value
If successful, returns S_OK; otherwise, returns an error code.