public static class MyEvents {
public static event EventHandler TransactionComplete;
public static void OnTransactionComplete(object sender, EventArgs e) {
if (TransactionComplete != null)
TransactionComplete(sender, e);
};
}

class Publisher {
void DoStuff() {
MyEvents.OnTransactionComplete(this, new EventArgs());
}
}

class Subscriber {
public Subscriber() {
MyEvents.TransactionComplete += TransactionCompleteHandler;
}

public void TransactionCompleteHandler(object sender, EventArgs e) {
//Do Something…..
}
}