流星的隨筆記事~☆

/// <summary>
/// CompGen
/// </summary>
/// <typeparam name="T"></typeparam>
class CompGen<T>
    where T :IComparable //使用條件約束，讓T只能使用有實作IComparable的型別
{
	public T _t1;
	public T _t2;
	public CompGen(T t1, T t2)
	{
		_t1 = t1;
		_t2 = t2;
	}

	public T Max()
	{
		if (_t2.CompareTo(_t1) < 0)
			return _t1;
		else
			return _t2;
									
	}
}

// Define a class to hold custom event info
public class CustomEventArgs : EventArgs
{
	public CustomEventArgs(string s)
	{
			message = s;
	}
	private string message;
	public string Message
	{
			get { return message; }
			set { message = value; }
	}
}

// Class that publishes an event
class Publisher
{

	// Declare the event using EventHandler<T>
	public event EventHandler<CustomEventArgs> RaiseCustomEvent;

	public void DoSomething()
	{
			OnRaiseCustomEvent(new CustomEventArgs("Did something"));

	}
	protected virtual void OnRaiseCustomEvent(CustomEventArgs e)
	{
			EventHandler<CustomEventArgs> handler = RaiseCustomEvent;

			if (handler != null)
			{
					// Format the string to send inside the CustomEventArgs parameter
					e.Message += String.Format(" at {0}", DateTime.Now.ToString());
					// Use the () operator to raise the event.
					handler(this, e);
			}
	}
}