protected void LeaveEvent(LeaveEventArgs e)
{
if (Leave != null) { Leave(this, e); }
}
void instance_Leave(object sender, LeaveEventArgs e)
{
instance.AddRoles -= AddRoles;
instance.Leave -= instance_Leave;
ChangeSpaceTo(teleport = e.Destination);
LayoutRoot.Children.Remove(instance);
instance = null;
}
