"4.8.7" 
 (created) hwnd= 0x540244 
QWinWidget() winId= 0x2a104ee 
WM_ACTIVATEAPP wParam (active)= 1 lParam(thread)= 8748 
WM_ACTIVATE wParam: high(minState)= 0 low(active)= 1 lParam(HWND)= 0x0 
WM_SETFOCUS 0x0 
WM_LBUTTONUP
QWinWidget(dialogW)= 0x171050a Ancestors of 0x171050a GWL_HWNDPARENT= 0x540244 GA_PARENT= 0x540244 GA_ROOT= 0x540244 GA_ROOTOWNER= 0x540244 
>QMessageBox::exec() 
WM_KILLFOCUS 0x0 
WM_ACTIVATE wParam: high(minState)= 0 low(active)= 0 lParam(HWND)= 0x8c0080 
MyMessageBox::setVisible true internalWinId= 0x8c0080 Ancestors of 0x8c0080 GWL_HWNDPARENT= 0x540244 GA_PARENT= 0x10010 GA_ROOT= 0x8c0080 GA_ROOTOWNER= 0x540244 
WM_ACTIVATE wParam: high(minState)= 0 low(active)= 1 lParam(HWND)= 0x8c0080 
WM_SETFOCUS 0x8c0080 
MyMessageBox::setVisible false 
<QMessageBox::exec() 0 
WM_ACTIVATE wParam: high(minState)= 0 low(active)= 0 lParam(HWND)= 0x0 
WM_ACTIVATEAPP wParam (active)= 0 lParam(thread)= 8748 
WM_KILLFOCUS 0x0 
WM_DESTROY