public void RemoveSelectedSpan() // removes selected (doh) span
{
if (Spans.Count <= 2)
{
return;
}
int index = Spans.IndexOf(_selectedSpan);
_selectedSpan.PropertyChanged -= OnUserSpanPropertyChanged;
Spans.Remove(_selectedSpan);
OrderingSection();
if (index >= Spans.Count())
{
return; // last span was removed so nothing to do
}
else
{
OnTowerAbscissaPropertyChanged(Spans[index]); // altering span lengths as a consequence of the tower abscissas change (change of tower abscissa has higher priority than span length)
}
if (EvaluateNeedToPerformInternalIntegrityCheck())
{
CheckInternalIntegrity();
}
}
public int GetSpanCount()
{
return(Spans.Count());
}