GridView.TopRowChanged Event

Fires when the View is scrolled vertically.

Namespace: DevExpress.XtraGrid.Views.Grid

Assembly: DevExpress.XtraGrid.v19.2.dll

Declaration

C#

[DXCategory("Property Changed")]
public event EventHandler TopRowChanged

VB.NET

<DXCategory("Property Changed")>
Public Event TopRowChanged As EventHandler

Event Data

The TopRowChanged event's data class is EventArgs.

Remarks

Write a TopRowChanged event handler to perform actions each time the View is scrolled vertically. Use the GridView.PrevTopRowIndex and GridView.TopRowIndex properties to determine the previous and current top visible rows.

Use the GridView.LeftCoordChanged event to handle the View’s horizontal scrolling.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the TopRowChanged event.

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-enable-editing-in-a-group-row-so-it-is-possible-to-change-child-cell-values-e3036/CS/WindowsApplication3/GroupEditProvider.cs#L76

view.MouseMove += OnMouseMove;
view.TopRowChanged += OnTopRowChanged;
view.GridControl.Resize += OnGridControlResize;

how-to-determine-what-rows-and-columns-are-actually-visible-in-gridview-e3772/CS/ScrollPreviewControl.cs#L24

_View = view;
view.TopRowChanged += new EventHandler(view_TopRowChanged);
view.LeftCoordChanged += new EventHandler(view_LeftCoordChanged);

VB.NET

how-to-enable-editing-in-a-group-row-so-it-is-possible-to-change-child-cell-values-e3036/VB/WindowsApplication3/GroupEditProvider.vb#L79

AddHandler view.MouseMove, AddressOf OnMouseMove
AddHandler view.TopRowChanged, AddressOf OnTopRowChanged
AddHandler view.GridControl.Resize, AddressOf OnGridControlResize

how-to-determine-what-rows-and-columns-are-actually-visible-in-gridview-e3772/VB/ScrollPreviewControl.vb#L22

_View = view
AddHandler view.TopRowChanged, AddressOf view_TopRowChanged
AddHandler view.LeftCoordChanged, AddressOf view_LeftCoordChanged