BaseListBoxControl.TopIndex Property

public virtual int TopIndex { get; set; }

Overridable Public Property TopIndex As Integer

Property value

If total item height exceeds the list box control's client area, end-users can scroll the control's contents vertically. You can use the TopIndex property to obtain the index of the top visible item. Initially, the first item in the collection is at the top of the visible region of the control. Assigning a value to this property results in scrolling to the specified item.