class StencilTest : public TopWindow{
	public:
		typedef StencilTest CLASSNAME;
		
		StencilTest(){
			Add(GLCanvas.HSizePos(10, 10).VSizePos(10, 10));
			context.TimerStart(); //One of my object
			GLCanvas.WhenGLPaint = THISBACK(OnPaint);
		}
		
		virtual bool Key(dword key, int count){
			if(key == K_ESCAPE){
				Close();
			}
			return true;
		}
		
	private:
		GLCtrl GLCanvas;
		UFEContext context;
		bool loaded = false;
		//...

Upp::StdLogSetup(Upp::LOG_COUT| Upp::LOG_FILE);

#ifdef _DEBUG
#define LOGMESSAGES 0 // <- Should be this!
#define LOGMESSAGES 1 // <- Not this...
#endif