C#

public string TitleCase(string text)
{
    StringBuilder result = new StringBuilder();
    bool nextIsCap = true;
    for (int i = 0; i < text.Length; i++)
    {
        if (nextIsCap)
        {
            result.Append(char.ToUpper(text[i]));
            nextIsCap = false;
        }
        else
            result.Append(char.ToLower(text[i]));
        if (text[i] == ' ')
            nextIsCap = true;
    }
    return result.ToString();
}

public static string ToTitleCase(string text)
{
    char[] buffer = text.ToCharArray();
    bool nextIsCap = true;
    for (int i = 0; i < buffer.Length; i++)
    {
        if (nextIsCap)
            buffer[i] = char.ToUpper(buffer[i]);
        else
            buffer[i] = char.ToLower(buffer[i]);
        nextIsCap = buffer[i] == ' ';
    }
    return new string(buffer);
}

System.Globalization.CultureInfo.CurrentCulture.TextInfo.ToTitleCase("mert efe");

public class AlarmClock
{
    public event AlarmEventHandler Alarm;

    protected virtual void OnAlarm(AlarmEventArgs e)
    {
       if (Alarm != null)
       {
          // Invokes the delegates.
          Alarm(this, e);
       }
    }
}
public static void Main (string[] args)
{
       // Instantiates the event receiver.
       WakeMeUp w= new WakeMeUp();

       // Instantiates the event source.
       AlarmClock clock = new AlarmClock();

       // I want to able to get this event inside Excel VBA space.
      <big> clock.Alarm += new AlarmEventHandler(w.AlarmRang);</big>

       clock.Start();
 }