nana hello world program

nana-hello-world.cpp

#include <nana/gui.hpp>
#include <nana/gui/widgets/label.hpp>

int main()
{
	using namespace nana;
	form fm;
	
	label lb{ fm, rectangle{ 10, 10, 100, 100 } };
	lb.caption("Hello, world!");
	
	fm.show();

	exec();
}