public Nullable<TimeSpan> ThumbScrollingDuration {get; set;}

'Declaration
 
Public Property ThumbScrollingDuration As Nullable(Of TimeSpan)

'Usage
 
Dim instance As ListBoxAnimationSettings
Dim value As Nullable(Of TimeSpan)
 
instance.ThumbScrollingDuration = value
 
value = instance.ThumbScrollingDuration

Property Value

A nullable TimeSpan value representing the duration of the thumb-scrolling animation. By default, null.

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

ListBoxAnimationSettings Class
ListBoxAnimationSettings Members