Re: Searching Multiple RVF's

Author

Message

Marc

Posted: 12/28/2002 14:37:27

How do I do that? I've been using the SetCurrentTag procedure to save the

URL info (same a Demo). This has been fine so far, but the LoadRVFFromStream

routine doesn't seem to like the stored tags.

Marc

--------------------

"Todd Fabacher" <toddfabacher@rcn.com> wrote:

>I would use the HelpID if you are not already using it. It will give you

the

>most flexability.

>Todd

>"Marc" <marc.knowles@bbc.co.uk> wrote in message

>news:3e0cea54@support.torry.net...

>> Thanks Sergey,

>> I've tried it, one small problem - loading the data from the blobfile

>using

>> the routine below, when I load RVF data that contains 'tags' (e.g. I have

>> used tags to store http:// address info), it generates a 'EConverError'

>> the tag data, saying it is not a valid integer value.

>> Any ideas?

>> -----------------

>> "Sergey Tkachenko" <svt@trichview.com> wrote:

>> >Currently, the best way to extract text from RVF field in the database

>> to

>> >load it in hidden RichView and save as text:

>> >

>> >function LoadRVFFromField(rv: TCustomRichView; tbl: TTable;

>> > const FieldName: String): Boolean;

>> >var Stream: TStream;

>> >begin

>> > Stream := TMemoryStream.Create;

>> > try

>> > TBlobField(tbl.FieldByName(FieldName)).SaveToStream(Stream);

>> > Stream.Position := 0;

>> > Result := rv.LoadRVFFromStream(Stream);

>> > finally

>> > Stream.Free;

>> > end;

>> >end;

>> >

>> >You need not to format loaded document, so this operation is fast.

>> >