TreeListNode.HasAsParent(TreeListNode) Method

Determines whether the current node has a TreeListNode instance as a parent.

Namespace: DevExpress.XtraTreeList.Nodes

Assembly: DevExpress.XtraTreeList.v19.1.dll

Declaration

C#

public bool HasAsParent(
    TreeListNode node
)

VB.NET

Public Function HasAsParent(
    node As TreeListNode
) As Boolean

Parameters

Name	Type	Description
node	TreeListNode	The TreeListNode instance to check.

Returns

Type	Description
Boolean	true if the current node has a TreeListNode instance as a parent; otherwise, false.

Remarks

The HasAsParent method inspects nodes from the current to the root level to determine whether a specific TreeListNode instance is found on this path.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the HasAsParent(TreeListNode) method.

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-obtain-checked-nodes-e1140/CS/Q142554/Form1.cs#L136

public override void Execute(TreeListNode node) {
    if (node.HasAsParent(parent)) base.Execute(node);
}

how-to-change-the-field-value-of-all-child-nodes-of-a-certain-node-e751/CS/Form1.cs#L201

{
    if (node.HasAsParent(parentNode))
        node.SetValue(column, state);

how-to-automatically-collapse-redundant-nodes-e2650/CS/AutoCollapseExample/Form1.cs#L24

public override void Execute(TreeListNode node) {
    if (!(node == fNode) && node.Expanded && !node.HasAsParent(fNode) && !fNode.HasAsParent(node))
        node.Expanded = false;

VB.NET

how-to-obtain-checked-nodes-e1140/VB/Q142554/Form1.vb#L149

Public Overrides Sub Execute(ByVal node As TreeListNode)
    If node.HasAsParent(parent) Then
        MyBase.Execute(node)

how-to-change-the-field-value-of-all-child-nodes-of-a-certain-node-e751/VB/Form1.vb#L154

Public Overrides Sub Execute(ByVal node As TreeListNode)
    If node.HasAsParent(parentNode) Then
        node.SetValue(column, state)

how-to-automatically-collapse-redundant-nodes-e2650/VB/AutoCollapseExample/Form1.vb#L27

Public Overrides Sub Execute(ByVal node As TreeListNode)
    If Not(node Is fNode) AndAlso node.Expanded AndAlso (Not node.HasAsParent(fNode)) AndAlso (Not fNode.HasAsParent(node)) Then
        node.Expanded = False