Writes the value of the Variant to a stream.
procedure StreamOut(const Source: TVarData; const Stream: TStream);
__fastcall StreamOut(const TVarData Source, const TStream Stream);
StreamIn writes the value from a TVarData value to a specified stream.
Source is the TVarData that stores the data for the Variant that needs to write its value.
Stream is a stream to which StreamOut writes the value stored in Source.