Can GUI objects be inherited?

I am trying to create a template of a control via script, but I am not having much success.

new GuiControl(TestTemplate) {
   profile = "GuiDefaultProfile";
   horizSizing = "right";
   vertSizing = "bottom";
   position = "0 0";
   extent = "640 480";
   minExtent = "8 2";
   visible = "1";

   new GuiButtonCtrl(TestTemplateBtn) {
      profile = "GuiButtonProfile";
      horizSizing = "right";
      vertSizing = "bottom";
      position = "23 17";
      extent = "140 30";
      minExtent = "8 2";
      visible = "1";
      text = "Button";
      groupNum = "-1";
      buttonType = "PushButton";
  };
};

OK, thats a sample template, dunno if it right

now what I want to do is create new control based on that.

I have tried the following, and does not work

new TestTemplate( test1 )
{
   // Gives me an error about not being a CON Object
};

new GuiControl( test2 : TestTemplate )
{
   // Does absolutly nothing
};

new GuiControl( test3 )
{
   class = "TestTemplate";
// just laughs at me as class and superClass are only part of scriptObject
};

Can this even be done? If so, how, because I am at a loss.

Thanks