/// <summary>
/// Initializes a new instance of the Scroller class
/// @pre control is not null
/// </summary>
/// <param name="control">The ExtendedScrollViewer to scroll</param>
public Scroller(ExtendedScrollViewer control)
{
Debug.Assert(control != null, "control must not be null");
_control = control;
_timer.Elapsed += Timer_Elapsed;
}
/// <summary>
/// Initializes a new instance of the Panner class
/// @pre control is not null
/// </summary>
/// <param name="control">The ExtendedScrollViewer to scroll</param>
public Panner(ExtendedScrollViewer control)
{
Debug.Assert(control != null, "control must not be null");
_control = control;
}