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TreeNode.Collapse Method (Boolean)

Collapses the TreeNode and optionally collapses its children.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public void Collapse(
	bool ignoreChildren


Type: System.Boolean
true to leave the child nodes in their current state; false to collapse the child nodes.

Use the Collapse method, passing true, when you want to collapse a node but leave its child nodes in their expanded state.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.