TreeList.GetNodeIndex(TreeListNode) Method

Gets the specified node’s index.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v19.1.dll

Declaration

C#

public int GetNodeIndex(
    TreeListNode node
)

VB.NET

Public Function GetNodeIndex(
    node As TreeListNode
) As Integer

Parameters

Name	Type	Description
node	TreeListNode	A TreeListNode object representing the node whose index is to be obtained.

Returns

Type	Description
Int32	An integer value representing the destination position of the node within its parent node’s child collection. -1 if the specified node is a null reference or doesn’t belong to any node collection.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the GetNodeIndex(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-show-the-sort-dialog-in-a-grid-in-a-similar-manner-as-in-excel-e2941/CS/WindowsApplication3/SortForm.cs#L90

{
    int index = sortTree.GetNodeIndex(sortTree.FocusedNode);
    int prevIndex = index - 1;

how-to-reorder-xtratreelist-nodes-via-drag-and-drop-e866/CS/Form1.cs#L118

tl.SetNodeIndex(dragNode, tl.GetNodeIndex(targetNode));
e.Effect = DragDropEffects.None;

VB.NET

how-to-show-the-sort-dialog-in-a-grid-in-a-similar-manner-as-in-excel-e2941/VB/WindowsApplication3/SortForm.vb#L86

Private Sub OnMoveUp(ByVal sender As Object, ByVal e As EventArgs) Handles simpleButton5.Click
    Dim index As Integer = sortTree.GetNodeIndex(sortTree.FocusedNode)
    Dim prevIndex As Integer = index - 1

how-to-reorder-xtratreelist-nodes-via-drag-and-drop-e866/VB/Form1.vb#L115

tl.SetNodeIndex(dragNode, tl.GetNodeIndex(targetNode))
e.Effect = DragDropEffects.None