Passing parameters to TraProgram in Delphi

rbuser

Hi,

I want to be able to pass a parameter value to a TraProgram instance and
execute it. I saw SetParameterValue, that takes a integer and a TraValue...
How do I use it?

David

nardmoseley

See RBuilder\Demos\RAP\ for examples and tutorials of how to do this. The
tutorials are included in the RBuilder\Developers Guide\RBuilder.pdf.

(We are researching the other issue that reported above...)


--
Nard Moseley
Digital Metaphors Corporation
http://www.digital-metaphors.com

rbuser

Sorry, I think I wasn't clear enough.

I meant that I would like to call a RAP function from Delphi, like this :

var
MyProgram: TraProgram;
MyResult: string;
begin
MyProgram := Report.CodeModule.FindProgram('MyProgram');
//** Set the parameters function **//
MyResult := MyProgram.Execute.AsString;
end;

I'm doing this successfully with parameter-less functions, but I'd like to
know how to set Parameter values.

David

nardmoseley

What are you trying to accomplish?

We do not have any examples of calling RAP programs from Delphi.

The ReportBuilder source code contains numerous examples of components such
as Label and DBText that fire RAP event-handlers by sending an
event notification. And these notifications can contain parameters required
by the event-handler. But this is very different than directly calling a RAP
program.

For example, a RAP TraEventHandler can establish a relationship with a Label
to be notified when the Label.OnPrint event occurs. When notified, the
TraEventHandler executes the code written by the end-user.



--
Nard Moseley
Digital Metaphors Corporation
http://www.digital-metaphors.com