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TreeNode.Nodes Property

Gets the collection of TreeNode objects assigned to the current tree node.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

[ListBindableAttribute(false)]
[BrowsableAttribute(false)]
public TreeNodeCollection Nodes { get; }

Property Value

Type: System.Windows.Forms.TreeNodeCollection
A TreeNodeCollection that represents the tree nodes assigned to the current tree node.

The Nodes property can hold a collection of other TreeNode objects. Each of the tree node in the collection has a Nodes property that can contain its own TreeNodeCollection. This nesting of tree nodes can make it difficult to navigate a tree structure. The FullPath property makes it easier to determine your location in a tree.

The following code example removes the selected tree node from one TreeView and adds it to another if both tree node collections are not read-only. When a Button is clicked, the TreeView.SelectedNode is deleted from one TreeView using the Remove method and added to the other TreeView using the Insert method. This example requires that you have two TreeView controls named treeView1 and treeView2, and a Button on a Form.


private void button1_Click(object sender, EventArgs e)
{
   // If neither TreeNodeCollection is read-only, move the 
   // selected node from treeView1 to treeView2.
   if(!treeView1.Nodes.IsReadOnly && !treeView2.Nodes.IsReadOnly)
   {
      if(treeView1.SelectedNode != null)
      {
         TreeNode tn = treeView1.SelectedNode;
         treeView1.Nodes.Remove(tn);
         treeView2.Nodes.Insert(treeView2.Nodes.Count, tn);
      }
   }
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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