d151.bmp.txt

Visual C++通信编程实例

{
m_ctrOper.ShowWindow(true);
}
else
{
m_ctrOper.ShowWindow(false);
m_ctrTerm2.ShowWindow(false);
    void CRemoteDBDlg::OnSelendokOper()
    {
    ／／TODO: Add your control notification handler code here
    UpdateData();
    if (m_Oper==”介于”)
    {
    m_ctrTerm2.ShowWindow(true);
    )
    else
    {
    m_ctrTerm2.ShowWindow(false);
    )
    )
    选择查询条件之后，为IDC_QUERY添加针对BN_CLICKED事件的响应函数，并编辑
该函数。
void CRemoteDBDlg::OnQuery()
{
            // TODO: Add your control notification handler code here
       CString strQuery;
UpdateData();
if (m_ctrOper.IsWindowVisible(》
{
    if((m-Jtem==””)¨(m一0per==””))
    {
    AfxMessageBox(”请迭择查询条件！
    retum;
    }
)
else
{
    if(nLItem==…’)
    {
    AfxMessageBox(”请选择查询条件！
/5/