Reads in the value of the Variant from a stream.
procedure StreamIn(var Dest: TVarData; const Stream: TStream);
__fastcall StreamIn(TVarData Dest, const TStream Stream);
StreamIn reads the Variant's value from a stream and fills in a TVarData data structure to reflect the value.
Dest is the TVarDatathat is filled in by StreamIn.
Stream is a stream that is positioned so that the next value that can be read from the stream is the value of the Variant.