TVN_ITEMEXPANDED
The
TVN_ITEMEXPANDED notification message notifies a tree-view control s parent
window that a parent item s list of child items has expanded or collapsed. This
notification message is sent in the form of a WM_NOTIFY message.
TVN_ITEMEXPANDED
pnmtv = (NM_TREEVIEW FAR *) lParam
Parameters
pnmtv
Pointer to an
NM_TREEVIEW structure. The itemNew member is a TV_ITEM
structure that contains valid information about the parent item in the hItem,
state, and lParam members. The action member indicates
whether the list expanded or collapsed. For a list of possible values, see the
description of the TVM_EXPAND message.
Return Values
No return
value.
See Also