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TPlanner
Copying all TPlannerItem objects from Planner1 to Planner2 by a memory stream

If there are 2 TPlanner components on a form, the method below makes a copy of all TPlannerItem objects from Planner1 to Planner2 by a memory stream:
procedure TForm1.Save(Sender: TObject); 
var 
  ms: TMemoryStream; 
begin 
  ms := TMemoryStream.Create; 
  Planner1.SaveToStream(ms); 
  ms.Position := 0; 
  Planner2.LoadFromStream(ms); 
  ms.Free; 
end;
More methods to save and load items in non data-aware Tplanner can be found on page 43 of the PDF Developers Guide.