Class TreeViewNode

A TreeViewNode gets the data object associated with tree view node.

Inheritance

System.Object

TreeViewNode

Implements

System.ComponentModel.INotifyPropertyChanged

System.IDisposable

Namespace: Syncfusion.TreeView.Engine

Assembly: Syncfusion.SfTreeView.XForms.dll

Syntax

public class TreeViewNode : Object, INotifyPropertyChanged, IDisposable

Constructors

TreeViewNode()

Initializes a new instance of the TreeViewNode class.

Declaration

public TreeViewNode()

Properties

ChildNodes

Gets the collection which contains the child nodes of the TreeViewNode.

Declaration

public TreeViewNodeCollection ChildNodes { get; set; }

Property Value

Type	Description
TreeViewNodeCollection	Collection of child nodes.

Exceptions

Type	Condition
System.InvalidOperationException	Exception occurs when try to set ChildNodes.

Content

Gets or sets the data object associated with TreeViewNode.

Declaration

public object Content { get; set; }

Property Value

Type	Description
System.Object	The data object associated with the node.

HasChildNodes

Gets or sets a value indicating whether the node has a child node(s) or not.

Declaration

public bool HasChildNodes { get; set; }

Property Value

Type	Description
System.Boolean	true if the node has any child nodes; Otherwise false.

IsChecked

Gets or sets the checked state ofTreeViewNode where it can be bound to IsChecked property of check box in item template of the Syncfusion.TreeView.

Declaration

public Nullable<bool> IsChecked { get; set; }

Property Value

Type	Description
System.Nullable<System.Boolean>	true if the node is checked; Otherwise false. The default value is false.

IsExpanded

Gets or sets a value indicating whether the expansion state of TreeViewNode.

Declaration

public bool IsExpanded { get; set; }

Property Value

Type	Description
System.Boolean	true if the node is expanded; Otherwise false. The default value is false.

IsSelected

Gets a value indicating whether the node is selected or not.

Declaration

public bool IsSelected { get; }

Property Value

Type	Description
System.Boolean	true if the node is selected; Otherwise false. The default value is false.

Level

Gets the value indicating the level of TreeViewNode.

Declaration

public int Level { get; }

Property Value

Type	Description
System.Int32	The level of the TreeViewNode.

ParentNode

Gets the parent node value of the current TreeViewNode.

Declaration

public TreeViewNode ParentNode { get; }

Property Value

Type	Description
TreeViewNode	The parent node.

ShowExpanderAnimation

Gets or sets a value indicating whether that animation need to be progressed for the treeview item.

Declaration

public bool ShowExpanderAnimation { get; set; }

Property Value

Type	Description
System.Boolean	true if animation needs to be progressed; Otherwise false.

VisibleNodesCount

Gets the number of child nodes displayed in the view.

Declaration

public int VisibleNodesCount { get; }

Property Value

Type	Description
System.Int32	The child nodes count.

Methods

Dispose()

Disposes all the resources used by the TreeViewNode class.

Declaration

public void Dispose()

Dispose(Boolean)

Disposes all the resources used by the TreeViewNode class.

Declaration

protected virtual void Dispose(bool disposing)

Parameters

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

PopulateChildNodes(IEnumerable)

Load the child nodes and update the UI when we populate the child items using async and await.

Declaration

public void PopulateChildNodes(IEnumerable childItems)

Parameters

Type	Name	Description
System.Collections.IEnumerable	childItems	Collection of child nodes.

RaisedOnPropertyChanged(String)

Helper method to raise the PropertyChanged event.

Declaration

public void RaisedOnPropertyChanged(string propertyName)

Parameters

Type	Name	Description
System.String	propertyName	Represents the specified property of TreeViewNode.

SetDirty()

Sets the dirty. When this is set to true, the yAmountCache will be re-computed for the whole node.

Declaration

public void SetDirty()

Events

PropertyChanged

Occurs when an TreeViewNode is property is changed.

Declaration

public event PropertyChangedEventHandler PropertyChanged

Event Type

Type	Description
System.ComponentModel.PropertyChangedEventHandler

Implements

System.ComponentModel.INotifyPropertyChanged

System.IDisposable