TVM_DELETEITEM message
Removes an item and all its children from a tree-view control. You can send this message explicitly or by using the TreeView_DeleteItem macro.
Parameters
-
wParam
- Must be zero.
-
lParam
-
HTREEITEM handle to the item to delete. If lParam is set to TVI_ROOT or to NULL, all items are deleted. You can also use the TreeView_DeleteAllItems macro to delete all items.
Return value
Returns TRUE if successful, or FALSE otherwise.
Remarks
It is not safe to delete items in response to a notification such as TVN_SELCHANGING.
Once an item is deleted, its handle is invalid and cannot be used.
The parent window receives a TVN_DELETEITEM notification code when each item is removed.
If the item label is being edited, the edit operation is canceled and the parent window receives the TVN_ENDLABELEDIT notification code.
If you delete all items in a tree-view control that has the TVS_NOSCROLL style, items subsequently added may not display properly. For more information, see TreeView_DeleteAllItems.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|