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unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

type
  TForm1 = class(TForm)
    Button1: TButton;
    ListBox1: TListBox;
  private
    procedure Button1Click(Sender: TObject);
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);

var
  ClassRef: TClass;
begin
  ListBox1.Clear;
  ClassRef := Sender.ClassType;
  while ClassRef <> nil do
  begin
    ListBox1.Items.Add(ClassRef.ClassName);
    ClassRef := ClassRef.ClassParent;
  end;

end;

end.					

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CreateNew(AOwner {$IFDEF DFS_CPPB_1}, 1 {$ENDIF});
  ClassRef := ClassType;
  if (ClassRef <> TGradientForm) and not (csDesigning in ComponentState) then
  begin
    FCreating := TRUE;
    try
      if not InitInheritedComponent(Self, TGradientForm) then
        {$IFDEF DFS_COMPILER_2}
        raise EResNotFound.CreateResFmt(sResNotFound, [ClassName]);
        {$ELSE}
        raise EResNotFound.CreateFmt(sResNotFound, [ClassName]);
        {$ENDIF}
    finally
      FCreating := FALSE;
    end;

    // All versions of Delphi, and C4 and up.
    {$IFDEF DFS_DELPHI}
      {$DEFINE DFS_DO_ONCREATE}
    {$ENDIF}
    {$IFDEF DFS_CPPB_4_UP}
      {$DEFINE DFS_DO_ONCREATE}
    {$ENDIF}
    {$IFDEF DFS_DO_ONCREATE}
    try
      if {$IFDEF DFS_COMPILER_4_UP} OldCreateOrder and {$ENDIF}
         assigned(OnCreate) then
        OnCreate(Self);
    except
      Application.HandleException(Self);
    end;
    {$UNDEF DFS_DO_ONCREATE}
    {$ENDIF}
  end;
end;