protected virtual void StartStroke(Contact contact)
{
StylusPointCollection stylusPoints = new StylusPointCollection();
Point position = contact.GetPosition(this);
stylusPoints.Add(new StylusPoint(position.X, position.Y, 0.5f));
Stroke stroke = new Stroke(stylusPoints, DefaultDrawingAttributes);
inkCanvas.Strokes.Add(stroke);
contact.SetUserData(key, stroke);
}
private void RemovePartialStroke(Contact contact)
{
Stroke stroke = (Stroke) contact.GetUserData(key);
if(stroke != null)
{
inkCanvas.Strokes.Remove(stroke);
contact.SetUserData(key, null);
}
}