Opens a graphics log.
HRESULT OpenFile( BSTR FileName, BSTR registryBoot, INewFramesCallback* callbacks, IFileIOCallback* pFileIOCallback, LCID uiLocale );
A COM string containing the name of the graphics log.
A COM string containing the registry root. The engine looks here for DIA and other registry keys.
The address of a function used to notify the host that new frames have been parsed.
The address of a function used to notify the host of file IO errors during parsing.
The locale ID used to present error messages according to locale settings.
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.