private void DrawLocks()
{
canvas.RemoveAll <Line>();
foreach (var sessionCircle in sessionCircles.Where(x => x.Session.BlockedBy.HasValue))
{
var blocking = sessionCircles.FirstOrDefault(x => x.Session.SPID == sessionCircle.Session.BlockedBy);
if (blocking != null)
{
var line = lineFactory.Create(
sessionCircle.X + sessionCircle.Size / 2,
sessionCircle.Y + sessionCircle.Size / 2,
blocking.X + blocking.Size / 2,
blocking.Y + blocking.Size / 2,
color: Colors.Red
);
canvas.Add(line, 2);
}
}
}
