To add a new item above an existing C1WebCustomTreeItem (link item) using the C1WebCommandEditor, complete the following steps:
An item is defined as a leaf node if it does not have child nodes and a child node if it contains other nodes.
1. Right-click an existing C1WebTreeView and select Edit from its context menu. The C1WebCommand Editor appears.
2. To add a new item above the selected item, click on Insert Item from the toolbar or select Insert Item from the selected item's context menu. A new tree item appears above Item1.
3. Set the new item's Text property to New Item.
4. Select OK. The new item appears in the C1WebTreeView as a leaf node since it does not contain child nodes.
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