#include "CtrlLib/CtrlLib.h" using namespace Upp; struct App : TopWindow { TreeCtrl tree; Array edit; typedef App CLASSNAME; virtual bool Key(dword key, int count) { if(key == K_DELETE) tree.Clear(); return false; } App() { Add(tree.SizePos()); tree.Add(0, CtrlImg::cut(), edit.Add()); } }; GUI_APP_MAIN { App().Run(); }