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   | program code;
 
uses
  SysUtils;
 
var 
  Etat, Site, Emplacement, Situation: string;
  DonneesMaitre1: record visible: boolean; end;
 
begin          
  Site := Trim('');
  Etat := Trim('');
  Emplacement := Trim('');
  Situation := Trim('');    
 
  if (Site = 'Valenciennes') then
  begin            
    DonneesMaitre1.visible := false
  end else
    if (Site = 'Lille') then 
    begin
      if (Emplacement = 'Lille') and (Situation = 'Disponible') then
        DonneesMaitre1.visible := false
      else
        if (Emplacement = 'Valenciennes') and (Situation = 'Disponible') then
          DonneesMaitre1.visible := true
        else
          DonneesMaitre1.visible := false;    
    end else
      if (Site = 'Arras') then
      begin
        if (Emplacement = 'Arras') and (Situation = 'Disponible') then
          DonneesMaitre1.visible := false   
        else
          if (Emplacement = 'Valenciennes') and (Situation = 'Disponible') then
            DonneesMaitre1.visible := true  
          else
            DonneesMaitre1.visible := false;  
      end else
        if (Site = 'Gravelines') then
        begin
          if (Emplacement = 'Gravelines') and (Situation = 'Disponible') then
            DonneesMaitre1.visible := false
          else
            if (Emplacement = 'Valenciennes') and (Situation = 'Disponible') then
              DonneesMaitre1.visible := true  
            else
              DonneesMaitre1.visible := false;  
        end else
        begin             
          DonneesMaitre1.visible := false; 
        end;
 
end. | 
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