public void Move(Widget w, double theta, uint r)
{
PolarFixedChild pfc = (PolarFixedChild)this[w];
if (pfc != null)
{
pfc.Theta = theta;
pfc.R = r;
}
}
// invoked by Container.Remove (w)
protected override void OnRemoved(Widget w)
{
PolarFixedChild pfc = (PolarFixedChild)this[w];
if (pfc != null)
{
pfc.Child.Unparent();
children.Remove(pfc);
QueueResize();
}
}
