public event EventHandler <CarInfoEventArgs> NewCarInfo; //定义了类型为EventHandler<CarInfoEventArgs>的NewCarInfo事件
//然后再NewCar()方法中,通过调用RaiseNewCarInfo方法触发NewCarInfo,这个方法的实现检查委托是否为空,不为空引发事件
protected virtual void RaiseNewCarInfo(string car) //在这个方法中触发事件
{
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car)); //简化版委托调用
//EventHandler<CarInfoEventArgs> newCarInfo = NewCarInfo;
//if (newCarInfo != null)
//{
// newCarInfo(this, new CarInfoEventArgs(car));
//}
}
public void NewCar(string car)
{
Console.WriteLine($"New car! {car}");
//NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));
if (NewCarInfo != null)
{
NewCarInfo.Invoke(this, new CarInfoEventArgs(car));
}
}
public void NewCar(string car)
{
Console.WriteLine($"CarDealer, new car {car}");
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));
//if (NewCarInfo != null)
//{
// NewCarInfo(this, new CarInfoEventArgs(car));
//}
}
/// <summary>
/// 调用注册的所有委托
/// </summary>
/// <param name="car"></param>
public void NewCar(string car)
{
WriteLine($"CarDealer,new car {car}");
//回调注册的方法，触发事件
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));//等效于下边的写法
//if (NewCarInfo!=null)
//{
// NewCarInfo.Invoke(this, new CarInfoEventArgs(car));
//}
}
protected virtual void RaiseNewCarInfo(string car)
{
// Delegate类的GetInvocationList()按照调用顺序返回此多路广播委托的调用列表
var newCarInfo = NewCarInfo.GetInvocationList();
// 该方法的实现检查委托是否不为空，若不为空就触发事件
if (newCarInfo != null)
{
// 事件一般采用带两个参数的方法：
// 第1个参数是一个对象，包含事件的发送者；
// 第2个参数提供了事件的相关信息；
NewCarInfo(this, new CarInfoEventArgs(car));
}
}
public void NewCar(string car)
{
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));
}
public void NewCar(string car)
{
Console.WriteLine($"CarDealer,new car {car}");
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));
}
public void NewCar(string car)
{
Console.WriteLine("调用NewCar()方法");
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));
}
public void NewCar(string car)
{
Console.WriteLine($"CarDealer,new car{car}");
//触发事件之前要检查委托是否为null ?.
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));
}
public void RaiseNewCarInfo(string car)
{
Console.WriteLine("\nDealer, nowe auto: {0}", car);
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));
}
public void RaiseNewCarInfo(string car)
{
Console.WriteLine("\n{0}, nowe auto: {1}, czas: {2}", getName(), car, DateTime.Now);
// emituj zdarzenie, gdy ktoś czeka!
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));
}
private void btnBuildTeam_Click(object sender, EventArgs e)
{
try
{
_toolbuildteam = new ToolBuildTeam((AccountInfo)cmbAccount.SelectedItem);
_toolbuildteam.MessageChanged += new KaixinBase.MessageChangedEventHandler(_toolbuildteam_MessageChanged);
_toolbuildteam.ValidateCodeNeeded += new KaixinBase.ValidateCodeNeededEventHandler(_toolbuildteam_ValidateCodeNeeded);
_toolbuildteam.BuildTeamFinished += new GamePark.BuildTeamFinishedEventHandler(_toolbuildteam_BuildTeamFinished);
if (cmbAccount.Items.Count <= 0 || cmbAccount.SelectedIndex < 0)
{
MessageBox.Show("请选择账号！", MainConstants.MESSAGEBOX_CAPTION, MessageBoxButtons.OK, MessageBoxIcon.Error);
cmbAccount.Select();
return;
}
if (lstViewCarsInMarket.SelectedItems.Count == 0)
{
MessageBox.Show("请在市场上的汽车列表里选择你需要组建的车队车型！", MainConstants.MESSAGEBOX_CAPTION, MessageBoxButtons.OK, MessageBoxIcon.Error);
lstViewCarsInMarket.Select();
return;
}
if (cmbMaxCarCount.Items.Count <= 0 || cmbMaxCarCount.SelectedIndex < 0)
{
MessageBox.Show("请选择汽车数量！", MainConstants.MESSAGEBOX_CAPTION, MessageBoxButtons.OK, MessageBoxIcon.Error);
cmbMaxCarCount.Select();
return;
}
_account = cmbAccount.Items[cmbAccount.SelectedIndex] as AccountInfo;
if (_account == null)
{
return;
}
_modelcar = new NewCarInfo();
ListViewItem item = lstViewCarsInMarket.SelectedItems[0];
if (item != null)
{
_modelcar.CarId = DataConvert.GetInt32(item.SubItems[3].Text);
_modelcar.CarName = item.SubItems[1].Text;
_modelcar.CarPrice = DataConvert.GetInt32(item.SubItems[2].Text);
}
if (_modelcar.CarPrice < 70000)
{
MessageBox.Show("按规则70000元以下的车型，同一款车只能拥有一辆！", MainConstants.MESSAGEBOX_CAPTION, MessageBoxButtons.OK, MessageBoxIcon.Error);
lstViewCarsInMarket.Select();
return;
}
if (_modelcar.CarPrice < 200000)
{
if (MessageBox.Show("根据游戏规则，不能组建汽车单价低于200000的车队！是否继续？", MainConstants.MESSAGEBOX_CAPTION, MessageBoxButtons.YesNo, MessageBoxIcon.Information) == DialogResult.No)
{
lstViewCarsInMarket.Select();
return;
}
}
_maxcarcount = DataConvert.GetInt32(cmbMaxCarCount.Items[cmbMaxCarCount.SelectedIndex].ToString());
_exchange = ExchangeCar.Stop;
if (rdbExpensive.Checked)
{
_exchange = ExchangeCar.Expensive;
}
else if (rdbCheap.Checked)
{
_exchange = ExchangeCar.Cheap;
}
SetControlStatus(false);
_toolbuildteam._account = _account;
_toolbuildteam._modelcar = _modelcar;
_toolbuildteam._maxcarcount = _maxcarcount;
_toolbuildteam._exchange = _exchange;
_toolbuildteam._carsInMarket = _carsInMarket;
_toolbuildteam.BuildTeamByThread();
}
catch (Exception ex)
{
Program.ShowMessageBox("FrmBuildTeam", ex);
}
}
protected virtual void RaiseNewCarInfo(string car)
{
NewCarInfo?.Invoke(this, new CarInfoEventArgs(car));
}
