/// <summary>
/// Sets the automatic scroll.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="value">Value to set for Automatic scroll.</param>
public static void SetAutoScroll(System.Windows.Controls.ListBox instance, bool value)
{
AutoScrollHandler oldHandler = (AutoScrollHandler)instance.GetValue(AutoScrollHandlerProperty);
if (oldHandler != null)
{
oldHandler.Dispose();
instance.SetValue(AutoScrollHandlerProperty, null);
}
instance.SetValue(AutoScrollProperty, value);
if (value)
{
instance.SetValue(AutoScrollHandlerProperty, new AutoScrollHandler(instance));
}
}
/// <summary>
/// Sets the automatic scroll.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="value">Value to set for Automatic scroll.</param>
public static void SetAutoScroll(Controls.ListBox instance, bool value)
{
if (instance is null)
{
throw new ArgumentNullException(nameof(instance));
}
AutoScrollHandler oldHandler = (AutoScrollHandler)instance.GetValue(AutoScrollHandlerProperty);
if (oldHandler != null)
{
oldHandler.Dispose();
instance.SetValue(AutoScrollHandlerProperty, null);
}
instance.SetValue(AutoScrollProperty, value);
if (value)
{
instance.SetValue(AutoScrollHandlerProperty, new AutoScrollHandler(instance));
}
}