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The following table shows the tree view controls notifications, with a description of the purpose of each.
| Programming element | Description |
|---|---|
| TVN_BEGINDRAG | This message notifies a tree view control's parent window that a drag-and-drop operation is being initiated. |
| TVN_BEGINLABELEDIT | This message notifies a tree view control's parent window about the start of label editing for an item. |
| TVN_DELETEITEM | This message notifies the parent window of a tree view control that an item has been deleted. |
| TVN_ENDLABELEDIT | This message notifies a tree view control's parent window about the end of label editing for an item. |
| TVN_GETDISPINFO | This message requests that a tree view control's parent window provide information needed to display or sort an item. |
| TVN_ITEMEXPANDED | This message notifies a tree view control's parent window that a parent item's list of child items has expanded or collapsed. |
| TVN_ITEMEXPANDING | This message notifies a tree view control's parent window that a parent item's list of child items is about to expand or collapse. |
| TVN_KEYDOWN | This message notifies a tree view control's parent window that the user pressed a key and the tree view control has the input focus. |
| TVN_SELCHANGED | This message notifies a tree view control's parent window that the selection has changed from one item to another. |
| TVN_SELCHANGING | This message notifies a tree view control's parent window that the selection is about to change from one item to another. |
| TVN_SETDISPINFO | This message notifies a tree view control's parent window that it must update the information it maintains about an item. |
See Also
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