void HandleMultitouchFingerUp(object sender, FingerInputEventArgs e)
{
FrameworkElement t = touches[e.Identifier];
Surface.Dispatcher.BeginInvoke(delegate(){
Surface.Children.Remove(t);
});
touches.Remove(e.Identifier);
}
void HandleMultitouchFingerMove(object sender, FingerInputEventArgs e)
{
Point p = new Point( (e.Position.Value.X * this.RenderSize.Width),
(e.Position.Value.Y * this.RenderSize.Height));
FrameworkElement t = touches[e.Identifier];
Surface.Dispatcher.BeginInvoke(delegate(){
t.SetValue(Canvas.LeftProperty, p.X);
t.SetValue(Canvas.TopProperty, p.Y);
});
}
void HandleMultitouchFingerDown(object sender, FingerInputEventArgs e)
{
Ellipse touchaura = new Ellipse();
touches.Add(e.Identifier, touchaura);
Surface.Dispatcher.BeginInvoke(()=>{
touchaura.Width = 50D;
touchaura.Height = 50D;
touchaura.Stroke = new SolidColorBrush(Colors.White);
touchaura.StrokeThickness = 4.0;
touchaura.Fill = new SolidColorBrush(Colors.Yellow);
touchaura.Opacity = 0.45;
Surface.Children.Add(touchaura);
});
}
