[问题] Firemonkey 控件继承后无法显示（空白）

TMyPanel = class(TPanel)
end;

TMyCustomPanel = class(TPanel)

TMyPanel2 = class(TMyCustomPanel)
end;

RegisterComponent(‘Test‘, [TMyPanel, TMyPanel2]);

TMyPanel = class(TPanel)
end;

TMyCustomPanel = class(TPanel)
end;

TMyPanel2 = class(TMyCustomPanel)
  protected
    function GetDefaultStyleLookupName: string; override;
end;

function TMyPanel2.GetDefaultStyleLookupName: string;
begin
  Result := ‘panelstyle‘;
end;