CTreeCtrl::SetItemData

Call this function to set the 32-bit application-specific value associated with the specified item.

BOOL SetItemData(
   HTREEITEM hItem,
   DWORD_PTR dwData 
);

Parameters

• hItem
  Handle of the item whose data is to be retrieved.

• dwData
  A 32-bit application-specific value associated with the item specified by hItem.

Return Value

Nonzero if successful; otherwise 0.

Example

CString   str;
HTREEITEM hItem;

// Insert 20 items into the tree control making every item's
// data be the handle of the item.
for (int i = 0; i < 20; i++)
{
   str.Format(TEXT("item %d"), i);
   hItem = m_TreeCtrl.InsertItem(str);

   if (hItem != NULL)
   {
      m_TreeCtrl.SetItemData(hItem, (DWORD_PTR)hItem);
   }
}

Requirements

Header: afxcmn.h

See Also

Reference

CTreeCtrl Class

Hierarchy Chart

CTreeCtrl::GetItemData

Other Resources

CTreeCtrl Members