Class TreeViewNodeCollection

TreeViewNodeCollection contains the collection of tree view nodes.

Inheritance

System.Object

TreeViewNodeCollection

Implements

System.IDisposable

Namespace: Syncfusion.UI.Xaml.TreeView

Assembly: Syncfusion.TreeView.WinUI.dll

Syntax

public class TreeViewNodeCollection : Collection<TreeViewNode>, IDisposable

Constructors

TreeViewNodeCollection()

Initializes a new instance of the TreeViewNodeCollection class.

Declaration

public TreeViewNodeCollection()

TreeViewNodeCollection(TreeViewNode)

Initializes a new instance of the TreeViewNodeCollection class.

Declaration

public TreeViewNodeCollection(TreeViewNode parentNode)

Parameters

Type	Name	Description
TreeViewNode	parentNode	Represents the parent node in tree view collection.

Fields

ParentNode

Represents the parent TreeViewNode.

Declaration

protected TreeViewNode ParentNode

Field Value

Type
TreeViewNode

Methods

ClearItems()

Clears the node collection.

Declaration

protected override void ClearItems()

Dispose()

Disposes all the resources used by the TreeViewNodeCollection class.

Declaration

public void Dispose()

Dispose(Boolean)

Disposes all the resources used by the TreeViewNodeCollection class.

Declaration

protected virtual void Dispose(bool isDisposing)

Parameters

Type	Name	Description
System.Boolean	isDisposing	Represents the boolean value for disposing objects.

GetNode(Object)

Helper method to get the node index based on record.

Declaration

public TreeViewNode GetNode(object record)

Parameters

Type	Name	Description
System.Object	record	Represents the tree view item.

Returns

Type	Description
TreeViewNode	Return the tree view node.

IndexOfNode(Object)

Gets the index of the given record.

Declaration

public int IndexOfNode(object record)

Parameters

Type	Name	Description
System.Object	record	Represents the tree view item.

Returns

Type	Description
System.Int32	The index of the given item.

InsertItem(Int32, TreeViewNode)

Inserts the node at specified index.

Declaration

protected override void InsertItem(int index, TreeViewNode node)

Parameters

Type	Name	Description
System.Int32	index	Specifies the index at which the node to be inserted.
TreeViewNode	node	Sepcifies the TreeViewNode.

Move(Int32, Int32)

Moves the node at specified index to a new location in the Nodes collection.

Declaration

public void Move(int oldIndex, int index)

Parameters

Type	Name	Description
System.Int32	oldIndex	Old index of the node.
System.Int32	index	New index to move the node.

RemoveItem(Int32)

Removes item at the specific index.

Declaration

protected override void RemoveItem(int index)

Parameters

Type	Name	Description
System.Int32	index	Specifies the index of the item to be removed.

RemoveRange(Int32, Int32)

Removes the given number of row lines from the given index in the LineSizeCollection.

Declaration

public void RemoveRange(int index, int count)

Parameters

Type	Name	Description
System.Int32	index	The index to remove the lines.
System.Int32	count	The count.

SetItem(Int32, TreeViewNode)

Sets the item at the specified index.

Declaration

protected override void SetItem(int index, TreeViewNode item)

Parameters

Type	Name	Description
System.Int32	index	Specifies the index at which the item to be set.
TreeViewNode	item	Specifies the TreeViewNode.

Implements

System.IDisposable