public Axis SuggestYAxis()
{
SequenceAdapter dataBottom_ =
new SequenceAdapter( this.DataSource, this.DataMember, this.OrdinateDataBottom, this.AbscissaData );
SequenceAdapter dataTop_ =
new SequenceAdapter( this.DataSource, this.DataMember, this.OrdinateDataTop, this.AbscissaData );
Axis axis = dataTop_.SuggestYAxis();
axis.LUB(dataBottom_.SuggestYAxis());
return axis;
}