public void UnregisterEntryOperator(IEntryOperator op)
{
var c = this._EntryOperators;
for(var i = c.Count - 1; i > 0; i--) {
var o = c[i];
if(o == op) {
c.RemoveAt(i);
}
}
}
public void RegisterEntryOperator(IEntryOperator op)
{
op.ThrowIfNull("op");
this._EntryOperators.Add(op);
}