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TreeNode::ToggleExpandState Method

Alternates between the expanded and collapsed state of the node.

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

public:
void ToggleExpandState()

Use the ToggleExpandState method to alternate between an expanded and a collapsed state for the node. For example, if the node is collapsed, calling the ToggleExpandState method expands the node, and vice versa.

NoteNote

As an alternative, you can set the Expanded property directly.

The following code example demonstrates how to use the ToggleExpandState method to alternate between an expanded and a collapsed state for the root node of a TreeView control.

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

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

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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