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vijayarasan merged 2 commits into from
Sep 15, 2025
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ES-975464 - Resolve the ReadMe issue in this sample repository #3

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ES-975464 - Resolve the ReadMe issue in this sample repository
SreemonPremkumarM Sep 15, 2025
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ES-975464 - Addresses the concerns
SreemonPremkumarM Sep 15, 2025
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12 changes: 10 additions & 2 deletions README.md
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# How to programmatically expand the root nodes in WinForms TreeViewAdv?
# How to programmatically expand the root nodes in WinForms TreeView?

This session explains how to programmatically expand the root nodes in WinForms TreeViewAdv.

You can expand the [Root](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.TreeViewAdv.html#Syncfusion_Windows_Forms_Tools_TreeViewAdv_Root) nodes of the [WinForms TreeViewAdv](https://www.syncfusion.com/winforms-ui-controls/treeview) by using the [Expand](https://help.syncfusion.com/cr/windowsforms/Syncfusion.Windows.Forms.Tools.TreeNodeAdv.html#Syncfusion_Windows_Forms_Tools_TreeNodeAdv_Expand) method of the node.

```csharp
``` csharp
TreeNodeAdv root = this.treeViewAdv1.Root;

foreach (TreeNodeAdv node in root.Nodes)
{
// Call the Expand method on each root node.
node.Expand();
}

root.Expand();
```

![How to programmatically expand the root nodes in WinForms TreeView](https://www.syncfusion.com/uploads/user/kb/wf/wf-28805/wf-28805_img1.png)

Take a moment to peruse the [WinForms TreeView - Getting Started](https://help.syncfusion.com/windowsforms/treeview/getting-started) documentation, where you can find about treeview with code examples.