委托（参数传递简单应用示例）

public class TriggerAlarmRecordEventArgs : EventArgs
{
private AlarmRecordModel _AlarmRecordModel;
public AlarmRecordModel AlarmRecord
{
get { return _AlarmRecordModel; }
set { _AlarmRecordModel = value; }
}
public TriggerAlarmRecordEventArgs(AlarmRecordModel alarmRecordModel)

{
this.AlarmRecord = alarmRecordModel;
}
}

public delegate void TriggerAlarmRecordHandler(object sender, TriggerAlarmRecordEventArgs e);

public event TriggerAlarmRecordHandler TriggerAlarmRecordEvent;

public void OnTriggerAlarmEvent(AlarmRecordModel alarmRecordModel)
{
TriggerAlarmRecordEventArgs e = new TriggerAlarmRecordEventArgs(alarmRecordModel);
if (TriggerAlarmRecordEvent != null)
{
TriggerAlarmRecordEvent(this, e);
}
}

m_AlarmServer.TriggerAlarmRecordEvent += new TriggerAlarmRecordHandler(m_AlarmServer_TriggerAlarmRecordEvent);

private void m_AlarmServer_TriggerAlarmRecordEvent(object sender, TriggerAlarmRecordEventArgs e)
    {
        //实现内容
    }

m_AlarmServer.OnTriggerAlarmEvent(tmpModel);