void CSendmsDlg::OnButton1()
{
CComboBox * pCombo;
pCombo = (CComboBox *) GetDlgItem(IDC_COMBO1);
::SendMessage( pCombo->m_hWnd, CBN_DROPDOWN, NULL, NULL);
}
{
CComboBox * pCombo;
pCombo = (CComboBox *) GetDlgItem(IDC_COMBO1);
::SendMessage( pCombo->m_hWnd, CBN_DROPDOWN, NULL, NULL);
}
解决方案 »
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