//The reason this one takes multiple arguments is so it can field any relevant argument this prac can give.
//It deviates from the one specified slightly but I couldn't think of how to do this without args as was shown in the handout. Discuss?
private void OnUpdateEvent(NumericUpDown nud, ProgressBar progBar, TrackBar trackBar)
{
//Create a new custom event arg
CustomEventArgs ce = new CustomEventArgs(nud, progBar, trackBar);
//A bit of error-prevention as discussed in class
if (progressEvent != null)
{
progressEvent(this, ce);
}
}
//Abstract method that all child observers will provide implementation for public abstract void ProgUpdateHandler(object subject, CustomEventArgs ce);
public override void ProgUpdateHandler(object subject, CustomEventArgs ce)
{
ce.trackBar.Value++;
}
public override void ProgUpdateHandler(object subject, CustomEventArgs ce)
{
ce.nud.UpButton();
ce.nud.Refresh();
}