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Article View: borland.public.cppbuilder.database.multi-tier
Article #593

About callbacks

#593
From: Goumatianos
Date: Fri, 23 Mar 2001 18:15
31 lines
1708 bytes
I have experience in Delphi , but in c++builder
just 2 months. I can't develop a callback method in midas project.
At server's side (in server.tlb) I created a interface "IEbClient"
(IDispatch) and its
method "CallbackClient".

In delphi, at client's side (clientfrm) is:
-------------------------------------------------------------
type
  TCallBack = class(TAutoIntfObject, IEbClient)
  procedure CallBackClient(ActionID,UpdateKind: Integer; aValue:
oleVariant); Safecall;
  end;
.....

procedure TCallBack.CallBackClient(ActionId,UpdateKind: Integer;aValue:
OleVariant);
Begin
Case ActionId of
0: clientform.Close;
1: Clientform.Updatedata(ActionID,UpDateKind,aValue);
end;
end;

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

But I couldn't translated it in c++builder.

Thanks in advance
Nikitas
( email - goumatianos@hotmail.com )
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From: "Goumatianos" <goumatianos@hotmail.com>
Newsgroups: borland.public.cppbuilder.database.multi-tier
Subject: About callbacks
Date: Fri, 23 Mar 2001 20:15:58 +0200
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