NodeChangedEventArgs.ChangeType Property

Gets the way the node has been changed.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v19.1.dll

Declaration

C#

public NodeChangeTypeEnum ChangeType { get; }

VB.NET

Public ReadOnly Property ChangeType As NodeChangeTypeEnum

Property Value

Type	Description
NodeChangeTypeEnum	A NodeChangeTypeEnum enumeration member specifying the way the node has been changed.

Available values:

Show 14 items

Name	Description
Expanded	The node’s TreeListNode.Expanded property has been set to true.
Collapsed	The node’s TreeListNode.Expanded property has been set to false.
HasChildren	The node’s TreeListNode.HasChildren property has been changed.
ImageIndex	The node’s TreeListNode.ImageIndex property has been changed.
SelectImageIndex	The node’s TreeListNode.SelectImageIndex property has been changed.
StateImageIndex	The node’s TreeListNode.StateImageIndex property has been changed.
Tag	The node’s TreeListNode.Tag property has been changed.
Add	A new node has been added to the Tree List’s TreeList.Nodes collection. This can be performed by calling the TreeListNodes.Add method.
Remove	A node has been removed from the Tree List’s TreeList.Nodes collection. This can be performed using the TreeListNodes.Remove method.
CheckedState	The node’s TreeListNode.Checked property has been changed.
User1	The corresponding user’s property has been changed.
User2	The corresponding user’s property has been changed.
User3	The corresponding user’s property has been changed.
CheckBoxStyle	The node’s TreeListNode.ChildrenCheckBoxStyle has changed.

Remarks

The ChangeType property allows you to identify the way a node has been changed.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the ChangeType property.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-copy-nodes-from-one-treelist-to-another-e3164/CS/CopyNodesExample/MainForm.cs#L29

private void OnSourceTreeListNodeChanged(object sender, NodeChangedEventArgs e) {
    if (e.ChangeType == NodeChangeTypeEnum.Add || e.ChangeType == NodeChangeTypeEnum.Remove)
        UpdateControlsState();

VB.NET

how-to-copy-nodes-from-one-treelist-to-another-e3164/VB/CopyNodesExample/MainForm.vb#L32

Private Sub OnSourceTreeListNodeChanged(ByVal sender As Object, ByVal e As NodeChangedEventArgs) Handles sourceTreeList.NodeChanged
    If e.ChangeType = NodeChangeTypeEnum.Add OrElse e.ChangeType = NodeChangeTypeEnum.Remove Then
        UpdateControlsState()