public BaseInOut()
{
if (!IsConnect)
{
IsConnect = Connect() == 0;
if (!IsConnect)
{
ConnectFailEvent?.Invoke("设备连接失败");
ConnectSuccess = false;
}
}
}
/// <summary>
/// 启动客户端
/// </summary>
public override void Run()
{
try
{
this.NamedPipeClientStream = new NamedPipeClientStream(".", this.PipeName, PipeDirection.InOut, PipeOptions.Asynchronous | PipeOptions.WriteThrough);
this.NamedPipeClientStream.Connect(200);
this.NamedPipeClientStream.ReadMode = PipeTransmissionMode.Message;
this.NamedPipeClientStream.BeginRead(data, 0, data.Length, new AsyncCallback(PipeReadCallback), this.NamedPipeClientStream);
}
catch
{
ConnectFailEvent?.Invoke();
}
}
/// <summary>
/// 接收数据的回调函数
/// </summary>
/// <param name="ar"></param>
private void PipeReadCallback(IAsyncResult ar)
{
this.NamedPipeClientStream = (NamedPipeClientStream)ar.AsyncState;
var count = this.NamedPipeClientStream.EndRead(ar);
if (count > 0)
{
string message = encoding.GetString(data, 0, count);
NewMessageEvent?.Invoke(message); //简化调用方式 等同于if(NewMessageEvent != Null) {NewMessageEvent(message)}
this.NamedPipeClientStream.BeginRead(data, 0, data.Length, new AsyncCallback(PipeReadCallback), this.NamedPipeClientStream);
}
else if (count == 0)
{
ConnectFailEvent?.Invoke();
}
}