public Form1()
{
InitializeComponent();
bikeWorker = new SubjectBicycle();
rpmDisplay = new RPMObserver(bikeWorker, lbRPM);
calDisplay = new CalPerHourObserver(bikeWorker, lbCal);
kmhDisplay = new KMHObserver(bikeWorker, lbkmsh);
}
//Constructor, passed in display label and subject.
public BicycleObserver(SubjectBicycle bikesubject, Label displayLabel)
{
//allocate space in memory
currentRPM = 0;
currentComputedValue = 0;
this.bikesubject = bikesubject;
this.displayLabel = displayLabel;
// this addes itself to the subjects observerlist.
bikesubject.AddObserver(this);
}
//Constructor
public CalPerHourObserver(SubjectBicycle bikeSubject, Label displayLabel)
: base(bikeSubject, displayLabel)
{
}
//Constructor
public KMHObserver(SubjectBicycle bikeSubject, Label displayLabel)
: base(bikeSubject, displayLabel)
{
}