The TVM_SORTCHILDREN message sorts the child items of the specified parent item in a tree-view control. You can send this message explicitly or by using the TreeView_SortChildren macro.
TVM_SORTCHILDREN
wParam = 0; // reserved for future use; must be zero
lParam = (LPARAM) (HTREEITEM) hitem;
Parameters
fRecurse
Reserved for future use. Must be zero.
hitem
Handle to the parent item whose child items are to be sorted.
Return Values
Returns TRUE if successful or FALSE otherwise.
See Also