The TVN_BEGINLABELEDIT notification message notifies a tree-view control's parent window about the start of label editing for an item. This notification message is sent in the form of a WM_NOTIFY message.
TVN_BEGINLABELEDIT
ptvdi = (TV_DISPINFO FAR *) lParam
Parameters
ptvdi
Pointer to a TV_DISPINFO structure. The item member is a TV_ITEM structure that contains valid information about the item being edited in the hItem, state, lParam, and pszText members.
Return Values
Returns TRUE to cancel label editing.
See Also