SimpleDemo::SimpleDemo()
{
	CtrlLayout(*this, "Window title");
	Sizeable().Zoomable();
	SimpleDemo.arrLIST.AddColumn("Item"); // <- Illegal construction in c++. Write "arrLIST.AddColumn("Item");" insted.
	SimpleDemo.arrLIST.Removing(); // <- Do the same
	SimpleDemo.btnAdd <<= THISBACK(AddItem); // <- Do the same
}

WithSimplyDemoLayout::arrLIST.doSomething();
// In this case this is equals to:
arrLIST.doSomething();

this->myInt = 5;