MainWindow 0 0 800 424 Conference Manager 25 4 751 241 535 260 241 141 0 0 Edit Profile 0 0 Exit 31 260 491 71 0 0 Start Conference true true 30 340 491 61 0 0 Add Profile 0 0 Delete Profile 0 0 800 25 About About Add Templated Profile mainPBQuit clicked() MainWindow close() 536 424 399 239 mainAboutClickedSignal() mainAboutClickedSlot()