🚀 go-pugleaf

BlobField->LoadFromStream() and SaveToStream() works with any TStream
including TMemoryStream etc.

//------------------------------------------
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:4085340d@newsgroups.borland.com...
> 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);
> > >
> > >
> >
> >
>
>