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TreeNodeEventArgs Class

Provides data for the TreeNodeCheckChanged, TreeNodeCollapsed, TreeNodeDataBound, TreeNodeExpanded, and TreeNodePopulate events of the TreeView control. This class cannot be inherited.

Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)

public ref class TreeNodeEventArgs sealed : public EventArgs
public final class TreeNodeEventArgs extends EventArgs
public final class TreeNodeEventArgs extends EventArgs
Not applicable.

The TreeNodeEventArgs class is used to store the event data that is passed to an event-handling method.

For a list of the initial property values for an instance of the TreeNodeEventArgs class, see TreeNodeEventArgs.

For more information about handling events, see Consuming Events.

The following code example demonstrates how to populate a node dynamically using the TreeNodeEventArgs object that is passed to the event-handling method.

No code example is currently available or this language may not be supported.

  • AspNetHostingPermission  for operating in a hosted environment. Demand value: LinkDemand; Permission value: Minimal.


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0