The C++'s SetItemHeight example from MSDN:
CString str;
CSize sz;
CDC* pDC = m_pComboBox->GetDC();
for (int i = 0; i < m_pComboBox->GetCount(); i++)
{
m_pComboBox->GetLBText(i, str);
sz = pDC->GetTextExtent(str);
m_pComboBox->SetItemHeight(i, sz.cy);
}
m_pComboBox->ReleaseDC(pDC);
Good luck,
Herb