void AutoSetComboBoxHeight(CComboBox& c)
{
int itemCount = c.GetCount() + 1;
int itemHeight = c.GetItemHeight(0);
int editAreaHeight = c.GetItemHeight(0);
int targetHeight = editAreaHeight + (itemHeight * itemCount);
RECT rc;
c.GetWindowRect(&rc);
c.GetParent().ScreenToClient(&rc);
rc.bottom = rc.top + targetHeight;
c.MoveWindow(&rc, FALSE);
}
void CPlayerListCtrl::OnCbnDropdownCombo1()
{
CComboBox* pCombo = (CComboBox*)GetDlgItem(IDC_COMBO1);
CRect ir;
GetItemRect(m_nItemClicked, &ir, LVIR_BOUNDS);
CRect r;
pCombo->GetWindowRect(r);
ScreenToClient(r);
r.bottom = r.top + ir.Height() + pCombo->GetItemHeight(0) * 10;
pCombo->MoveWindow(r);
}