BCGSuite for MFC
BOOL CBCGPTreeCtrlEx::ReplaceColumnValue ( HTREEITEM  hItem,
int  nSubItem,
CBCGPGridItem pNewItem 
)

Replaces a column value.

Parameters
hItemHandle of item.
nSubItemThe sub item zero-based index.
pNewItemA pointer to the new item.
Returns
TRUE if it succeeds, FALSE if it fails.