void CDialog::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); DDX_Control(pDX, IDC_COMBO, m_Combo); DDX_CBIndex(pDX, IDC_COMBO, m_ComboValue); } BOOL CDialog::OnInitDialog() { CDialog::OnInitDialog(); m_Combo.ShowWindow(SW_SHOW); FromMMToDlg(); return TRUE; } void CDialog::FromMMToDlg() { m_Combo.AddString("aaaa"); m_Combo.AddString("bbbb"); OnSelchangeCombo(); } BEGIN_MESSAGE_MAP(CDialog, CDialog) ON_CBN_SELCHANGE(IDC_COMBO, OnSelchangeCombo) END_MESSAGE_MAP() void CDialog::OnSelchangeCombo() { UpdateData(TRUE); switch(m_ComboValue) { case 0: // Part A break; case 1: // Part B break; } }
m_Combo
CComboBox
var
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