Jason,
I'll check it out.
Thanks for the reply,
regards
Glenn

----- Original Message ----
From: Jason Wharton <supportlist@...>
To: IBObjects@yahoogroups.com
Sent: Thursday, October 4, 2007 11:09:32 PM
Subject: RE: [IBO] TBlobField-usage in IBO













Glenn,

> I use Delphi 6, here is the snippet where the error occurs (Invalid

> Type Cast):

>

> Try

> MemoStream:= TBlobStream. Create(TBlobFiel d(FieldByName( 'GRAPH')

> ),bmRead);

> MergeBitMap. LoadFromStream( MemoStream) ;

> PutImage(FieldByNam e('TAND') .AsInteger, InColor); {image on canvas}

> Except

> On E:Exception Do

> ShowMessage( E.Message) ;

> End;

>

> How do I convert this to IBO, I have tried TIBOBlobStream but that

> does not seem to be published (I have checked TIBODataSet. pas and

> there is a TIBOBlobStream- class but not published) ?

Use the TDataset.CreateBlob Stream() method of the dataset and you will get

an appropriate instance created for you.



Don't access the TBlobStream class directly.



Hope this helps,

Jason Wharton














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