TreeList.TopVisibleNodeIndex Property

Gets or sets the index of the top visible node.

Namespace: DevExpress.XtraTreeList

Assembly: DevExpress.XtraTreeList.v20.1.dll

Declaration

[Browsable(false)]
public int TopVisibleNodeIndex { get; set; }
<Browsable(False)>
Public Property TopVisibleNodeIndex As Integer

Property Value

Type Description
Int32

An integer value specifying the zero-based index of the top visible node.

Remarks

If the total node height exceeds the TreeList control's client area, end-users can scroll the control's contents vertically. You can use the TopVisibleNodeIndex property to obtain the index of the top visible node. Assigning a value to this property results in scrolling to the specified node. Note that if the specified node is hidden within the collapsed group, its closest visible parent becomes the topmost item.

Write a TreeList.TopVisibleNodeIndexChanged event handler to perform specific actions each time the control's content is vertically scrolled.

See Also