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TreeNodeCollection.Add Method (String, String, String)

Creates a tree node with the specified key, text, and image, and adds it to the collection.

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

public virtual TreeNode Add(
	string key,
	string text,
	string imageKey
)

Parameters

key
Type: System.String

The name of the tree node.

text
Type: System.String

The text to display in the tree node.

imageKey
Type: System.String

The image to display in the tree node.

Return Value

Type: System.Windows.Forms.TreeNode
The TreeNode that was added to the collection.

The Name property corresponds to the key for a TreeNode in the TreeNodeCollection.

The tree node is added to the end of the collection. You can also add new TreeNode objects to the collection by using the AddRange or Insert methods.

The imageKey parameter refers to an image in the ImageList property of the parent TreeView.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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