🚀 go-pugleaf

Don't I need to have a stream first?  I am trying to get data already
contained in a blob field into a stream.  The program crashes when I try to
create a stream.

thanks.

"Viatcheslav V. Vassiliev" <support@oledbdirect.com> wrote in message
news:4084f3da$1@newsgroups.borland.com...
> Why do not you use BlobField->LoadFromStream()?
>
> //------------------------------------------
> Regards,
> Vassiliev V. V.
> http://www.managed-vcl.com - using .Net objects in Delphi for Win32 +
> ADO.Net
> http://www.oledbdirect.com - The fastest way to access MS SQL Server,
> MS Jet (Access) and Interbase (through OLEDB)
>
> "kdl" <me@isp.net> �������/�������� � �������� ���������:
> news:4083e397@newsgroups.borland.com...
> > I am having major difficulty in getting CreateBlobStream to work
properly
> > with Builder 6.  I am using the code below and I can get it to compile,
> but
> > the program crashes with a message like "Invalid Variant Operation".  I
am
> > connected to a MS SQL database and the field that I am trying to access
is
> > defined as a VarByte with a size of 8000.  The help in BCB6 is not
correct
> > for ADO blobs and I cannot find any other help on the web.  I am stuck
at
> > this point.  Please help if there are any sugestions.
> >
> >     int MemSize;
> >     char *Buffer;
> >     TADOBlobStream *Stream;
> >
> > //Crashes on this line.  I have tried many variations including
> > "CreateBlobStream"with no success.
> >     Stream = new TADOBlobStream((TBlobField
> > *)adoTraceDetailsDataSet->FieldByName("TraceArray") , bmRead);
> >
> >
>
>