C#内存溢出为什么？
串口通信，编写的上位机，运行几天后提示如下：这是串口哪里出了问题吗？应该怎么查找问题呢？private void SerialPort_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
Thread.Sleep(20);
if (!serialPortHandle.SerialPortObject.IsOpen) return;
byte[] rdata = new byte;
rdata = serialPortHandle.ReceiveData();
}
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