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How to search TreeNodeAdv based on its tag value in WinForms TreeViewAdv?

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Search TreeNodeAdv based on its tag value

In WinForms TreeViewAdv, you can filter TreeNodeAdv based on its Tag value. The following code example demonstrates the same.

C#

List<TreeNodeAdv> nodes;
//To search all nodes
nodes = treeViewAdv1.SearchTree().Where(n => n.Tag == "Search node").ToList();
public static class SOExtension
{
    public static IEnumerable<TreeNodeAdv> SearchTree(this TreeViewAdv treeView)
    {
        return SearchTree(treeView.Nodes);
    }
    public static IEnumerable<TreeNodeAdv> SearchTree(this TreeNodeAdvCollection coll)
    {
        return coll.Cast<TreeNodeAdv>().Concat(coll.Cast<TreeNodeAdv>().SelectMany(x => SearchTree(x.Nodes)));
    }
}

VB

Private nodes As List(Of TreeNodeAdv)
'To search all nodes
nodes = treeViewAdv1.FlattenTree().Where(Function(n) n.Tag = "Search node").ToList()
Public Module SOExtension
    <System.Runtime.CompilerServices.Extension()> _
    Public Function SearchTree(ByVal treeView As TreeViewAdv) As IEnumerable(Of TreeNodeAdv)
        Return SearchTree(treeView.Nodes)
    End Function
    <System.Runtime.CompilerServices.Extension()> _
    Public Function SearchTree(ByVal coll As TreeNodeAdvCollection) As IEnumerable(Of TreeNodeAdv)
        Return coll.Cast(Of TreeNodeAdv)().Concat(coll.Cast(Of TreeNodeAdv)().SelectMany(Function(x) SearchTree(x.Nodes)))
    End Function
End Module

The following screenshot illustrates the output.

Search TreeNodeAdv by using its tag value

Figure 1: Search TreeNodeAdv by using its Tag value

View Sample in GitHub


Conclusion

I hope you enjoyed learning about how to search TreeNodeAdv on its tag value in WinForms TreeViewAdv.

You can refer to our WinForms TreeView’s feature tour page to know about its other groundbreaking feature representations. You can also explore our WinForms TreeView documentation to understand how to present and manipulate data.

For current customers, you can check out our WinForms components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our WinForms TreeMap and other WinForms components.

If you have any queries or require clarifications, please let us know in comments below. You can also contact us through our support forumsDirect-Trac, or feedback portal. We are always happy to assist you!

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