CListBox::GetItemData
Retrieves the application-supplied doubleword value associated with the specified list-box item.
DWORD_PTR GetItemData(
int nIndex
) const;
Parameters
- nIndex
Specifies the zero-based index of the item in the list box.
Return Value
The 32-bit value associated with the item, or LB_ERR if an error occurs.
Remarks
The doubleword value was the dwItemData parameter of a SetItemData call.
Example
// If any item's data is equal to zero then reset it to -1.
for (int i=0; i < m_myListBox.GetCount(); i+)
{
if (m_myListBox.GetItemData(i) == 0)
{
m_myListBox.SetItemData(i, (DWORD) -1);
}
}
Requirements
Header: afxwin.h