::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
m_svAllSpins.Add(this);
::WinSetWindowULong(GetHwnd(), QWL_USER, (LONG)this);
fnWndProcSpinCtrl = (WXFARPROC)::WinSubclassWindow(m_hWnd, (PFNWP)wxSpinCtrlWndProc);
m_svAllSpins.Add(this);