.NET SerialPort在连接到套接字时被阻止

我对.NET中的SerialPort类有问题。

下面是我使用的代码示例。

...

public void Initialize()
{
    try
    {
        this.SerialPort = new SerialPort(this.portname, this.baudrate, this.parity);
        if (!this.SerialPort.IsOpen)
        {
            this.SerialPort.Open();
        }

        this.SerialPort.DataReceived += SerialPort_DataReceived;
    }
    catch (Exception ex)
    {
        ...
    }
}

private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
    if(!this.isrunning)
    {
        return;
    }

    try
    {
        int count = this.SerialPort.Read(this.buffer, 0, this.buffer.Length);
        var data = new byte[count];
        Array.Copy(this.buffer, data, count);
        this.binarywriter.Write(data);
    }
    catch (Exception ex)
    {
        ...
    }
}

...

• 任何时候都不会抛出异常。

• 当TcpClient未连接时,会触发DataReceived事件,但当TcpClient连接时,不会触发该事件。