public TimerItem(Nullable <DateTime> tickTime, string tip, TimerItemType itemType, string commandText)
{
this._TickTime = tickTime;
this._tip = tip;
this._type = itemType;
this._command = commandText;
}
public TimerItem(Nullable <DateTime> tickTime, string tip, TimerItemType itemType)
{
this._TickTime = tickTime;
this._tip = tip;
this._type = itemType;
}
