Création dynamique de variables

En tenant à jour un tableau associatif de variants ;)
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type
  TVarsDynamiques = class
  private
    FNames : TStrings;
    FVariables : array of Variant;
 
    function GetVariables(Name : string) : Variant;
    procedure SetVariables(Name : string; Value : Variant);
  public
    constructor Create;
    destructor Destroy; override;
 
    property Variables[Name : string] : Variant
      read GetVariables write SetVariables; default;
  end;
 
implementation
 
constructor TVarsDynamiques.Create;
begin
  inherited;
  FNames := THashedStringList.Create;
end;
 
destructor TVarsDynamiques.Destroy;
begin
  SetLength(FVariables, 0);
  FNames.Free;
  inherited;
end;
 
function TVarsDynamiques.GetVariables(Name : string) : Variant;
var Index : integer;
begin
  Index := FNames.IndexOf(Name);
  if Index < 0 then Result := Unassigned else
    Result := FVariables[Index];
end;
 
procedure TVarsDynamiques.SetVariables(Name : string; Value : Variant);
var Index : integer;
begin
  Index := FNames.IndexOf(Name);
  if Index >= 0 then FVariables[Index] := Value else
  begin
    Index := FNames.Add(Name);
    SetLength(FVariables, Length(FVariables)+1);
    FVariables[Index] := Value;
  end;
end;
A toi d'adapter selon tes besoins... ;)