int GetTopIndex( ) const;
Return Value
The zero-based index of the first visible item in the list-box portion of the combo box if successful, CB_ERR otherwise.
Remarks
Retrieves the zero-based index of the first visible item in the list-box portion of the combo box. Initially, item 0 is at the top of the list box, but if the list box is scrolled, another item may be at the top.
Example
// The pointer to my combo box.
extern CComboBox* pmyComboBox;
// Want an item in the bottom half to be the first visible item.
int n = pmyComboBox->GetCount()/2;
if (pmyComboBox->GetTopIndex() < n)
{
pmyComboBox->SetTopIndex(n);
ASSERT(pmyComboBox->GetTopIndex() == n);
}
CComboBox Overview | Class Members | Hierarchy Chart
See Also CComboBox::SetTopIndex, CB_GETTOPINDEX