public Form1()
{
InitializeComponent();
//Create subject
slowWorker = new ProgressSubject();
//Create observers
new NumericUpDownObserver(slowWorker, numericUpDown);
new ProgressBarObserver(slowWorker, probOutput);
new TrackBarObserver(slowWorker, trackBar1);
}
private void Form1_Load(object sender, EventArgs e)
{
progressSubject = new ProgressSubject();
spinBoxHandler = new EventHandler(UpdateSpinBox);
trackBarHandler = new EventHandler(UpdateTrackBar);
progressBarHandler = new EventHandler(UpdateProgressBar);
progressSubject.OnUpdateEvent += spinBoxHandler;
progressSubject.OnUpdateEvent += progressBarHandler;
progressSubject.OnUpdateEvent += trackBarHandler;
}
private void Form1_Load(object sender, EventArgs e)
{
progressSubject = new ProgressSubject();
spinBoxHandler = new EventHandler(UpdateSpinBox);
trackBarHandler = new EventHandler(UpdateTrackBar);
progressBarHandler = new EventHandler(UpdateProgressBar);
progressSubject.OnUpdateEvent += spinBoxHandler;
progressSubject.OnUpdateEvent += progressBarHandler;
progressSubject.OnUpdateEvent += trackBarHandler;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="subject">Subject to observe</param>
public ProgressObserverBase(ProgressSubject subject, object thingToUpdate)
{
//Keep reference to the subject
this.subject = subject;
//Keep reference to the object to update
this.thingToUpdate = thingToUpdate;
//Create a new handler
EventHandler handler = new EventHandler(incrementDisplay);
//Register handler with subject;
subject.updateEvent+=handler;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="subject">Subject to observe</param>
/// <param name="thingToUpdate">Object that is updated</param>
public TrackBarObserver(ProgressSubject subject, object thingToUpdate)
: base(subject, thingToUpdate)
{
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="subject">Subject to observe</param>
/// <param name="thingToUpdate">Object that is updated</param>
public NumericUpDownObserver(ProgressSubject subject, object thingToUpdate)
: base(subject,thingToUpdate)
{
}