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85 lines
1.6 KiB
ObjectPascal
85 lines
1.6 KiB
ObjectPascal
{ Source provided for Free Pascal Bug Report 4015 }
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{ Submitted by "Radoslaw Stachowiak" on 2005-05-25 }
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{ e-mail: zenek_tm@tenbit.pl }
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unit tw4015;
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{$mode objfpc}
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{$inline on}
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{$H+}
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interface
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type
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TComponent = class;
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{ TComponentContainer }
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TComponentContainer = class
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private
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acount: integer;
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components: array of TComponent;
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function fGet(ind: integer): TComponent; inline;
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public
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constructor Create;
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destructor Destroy; override;
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property Component[ind: integer]: TComponent read fGet; default;
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property Count: integer read acount;
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end;
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{ TComponent }
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TComponent = class
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protected
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achildren: TComponentContainer;
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public
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constructor Create(const parent: TComponent);
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destructor Destroy; override;
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end;
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implementation
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{ TComponentContainer }
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function TComponentContainer.fGet(ind: integer): TComponent; inline;
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begin
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if (ind>=acount) or (ind<0) then
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result := nil
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else
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result := components[ind];
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end;
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constructor TComponentContainer.Create;
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begin
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inherited Create;
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acount:=0;
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SetLength(components, 10);
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end;
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destructor TComponentContainer.Destroy;
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begin
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inherited Destroy;
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end;
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{ TComponent }
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constructor TComponent.Create(const parent: TComponent);
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begin
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inherited Create;
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achildren := TComponentContainer.Create;
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end;
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destructor TComponent.Destroy;
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var
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i: integer;
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begin
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for i:=0 to achildren.Count-1 do
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begin
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achildren[i].Free(); //Internal Error 200108231
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{if above line is changed to (var c: TComponent):
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c := achildren[i]; //Internal Error 200108231
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c.Free();
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}
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end;
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achildren.Free;
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inherited Destroy;
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end;
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end.
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