窗口过程的更替

WNDPROC prevProc;LRESULT CALLBACK WinSunProc( HWND hwnd, // handle to window UINT uMsg, // message identifier WPARAM wParam, // first message parameter LPARAM lParam // second message parameter){if (uMsg==WM_CHAR && wParam==0x0d){//::SetFocus(::GetNextWindow(hwnd, GW_HWNDNEXT));//::SetFocus(::GetWindow(hwnd, GW_HWNDNEXT));::SetFocus(::GetNextDlgTabItem(::GetParent(hwnd), hwnd, FALSE));return 1;}else{return prevProc(hwnd, uMsg, wParam, lParam);}}BOOL CTestDlg::OnInitDialog() {CDialog::OnInitDialog();// TODO: Add extra initialization hereprevProc = (WNDPROC)::SetWindowLong(GetDlgItem(IDC_EDIT1)->m_hWnd,GWL_WNDPROC, (LONG)WinSunProc);return TRUE; // return TRUE unless you set the focus to a control // EXCEPTION: OCX Property Pages should return FALSE}