TreeListNodes.FirstNode Property

Gets the first element in the collection.

Namespace: DevExpress.XtraTreeList.Nodes

Assembly: DevExpress.XtraTreeList.v19.1.dll

Declaration

C#

public TreeListNode FirstNode { get; }

VB.NET

Public ReadOnly Property FirstNode As TreeListNode

Property Value

Type	Description
TreeListNode	A TreeListNode object representing the first node in the collection. null (Nothing in Visual Basic) if the collection is empty.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the FirstNode property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-add-nodes-to-the-treelist-from-the-clipboard-e1121/CS/WindowsApplication1/Form1.cs#L65

TreeListNode parentTreeListNode = treeList.FocusedNode ?? treeList.Nodes.FirstNode;

XAF_how-to-search-and-focus-nodes-in-the-tree-list-editor-e520/CS/E520.Module.Win/Controllers/WinFilterTreeListViewController.cs#L47

    }
    treeList.FocusedNode = matchingNode ?? treeList.Nodes.FirstNode;
}

VB.NET

how-to-add-nodes-to-the-treelist-from-the-clipboard-e1121/VB/WindowsApplication1/Form1.vb#L61

Else
    parentTreeListNode = treeList.Nodes.FirstNode
End If

XAF_how-to-search-and-focus-nodes-in-the-tree-list-editor-e520/VB/E520.Module.Win/Controllers/WinFilterTreeListViewController.vb#L49

    End If
    treeList.FocusedNode = If(matchingNode, treeList.Nodes.FirstNode)
End Sub