private void Initialize()
{
if (_stretchCursorTokenStrategy == null)
{
_stretchCursorTokenStrategy = new CompassStretchCursorTokenStrategy();
}
if (_controlPoints == null)
{
base.Graphics.Add(_controlPoints = new ControlPointGroup());
}
_stretchCursorTokenStrategy.TargetGraphic = this;
_controlPoints.ControlPointChangedEvent += OnControlPointLocationChanged;
}
/// <summary>
/// Called by <see cref="ControlGraphic"/> in response to the framework requesting the cursor token for a particular screen coordinate via <see cref="ControlGraphic.GetCursorToken"/>.
/// </summary>
/// <param name="point">The screen coordinate for which the cursor is requested.</param>
/// <returns></returns>
protected override CursorToken GetCursorToken(Point point)
{
if (this.IsTracking)
{
return(this.StretchingToken);
}
if (this.Visible && this.HitTest(point))
{
if (this.StretchCursorTokenStrategy != null)
{
return(StretchCursorTokenStrategy.GetCursorToken(point));
}
}
return(base.GetCursorToken(point));
}
