anchor.diff:      procedure ShowEmpty();
       function GetRREv():TRREv;
       function InputValid():boolean;
  +
  +  protected
  +    procedure SetEnabled(state:boolean); override;
   
     end;
   
  
positive.code: 
    1: begin
      data.typ := rrtIR;
      data.irId := CB_IR[Self.CB_IRId.ItemIndex];
      data.irState := PrevodySoustav.IntToBool(Self.CB_IRStav.ItemIndex);
    end;
  
  
negative.code: {
    Okno TF_RREv umoznuje definovat udalost ve smyslu tridy TRREv (Railroad event).
    Toto male okynko se pouziva napriklad pri definici houkacich udalosti,
    zpomalovani a zastavovani pred navestidly, planovane vyuziti je take na
    zastavky.
  }
  
  interface
  