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How to expand the particular TreeView node in Xamarin.Forms (SfTreeView)

Platform: Xamarin.Forms |
Control: SfTreeView

You can expand the particular TreeView node in Xamarin.Forms using ExpandNode method.


TreeView node Downloads is expanded when the TreeView is loaded.

public class Behavior : Behavior<SfTreeView>
    SfTreeView treeView;
    protected override void OnAttachedTo(SfTreeView bindable)
        treeView = bindable;
        treeView.Loaded += TreeView_Loaded;
    private void TreeView_Loaded(object sender, Syncfusion.XForms.TreeView.TreeViewLoadedEventArgs e)
        int TotalNodes = treeView.Nodes.Count();
        for (int i = 0; i < TotalNodes; i++)
            TreeViewNode node = treeView.Nodes[i];
            var content = (node.Content as Folder).FileName;
            if (content.ToString() == "Downloads")
    protected override void OnDetachingFrom(SfTreeView bindable)
        treeView.Loaded -= TreeView_Loaded;

View sample in GitHub

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