public void Close()
{
if (serialHelper != null)
{
serialHelper.PortDataReceiveEvent -= SerialHelper_PortDataReciveEvent;
serialHelper.Close();
serialHelper = null;
}
if (tcpClientHelper != null)
{
tcpClientHelper.ConnectedServer -= SocketClientHelper_ConnectedServer;
tcpClientHelper.ReceivedDatagram -= SocketClientHelper_ReceivedDatagram;
tcpClientHelper.Close();
tcpClientHelper = null;
}
if (tcpServerHelper != null)
{
tcpServerHelper.RecvData -= SocketServerHelper_RecvData;
tcpServerHelper.ClientConn -= SocketServerHelper_ClientConn;
tcpServerHelper.CloseAllClient();
if (tcpServerHelper.IsRun)
{
tcpServerHelper.Stop();
}
tcpServerHelper = null;
}
if (udpClientHelper != null)
{
udpClientHelper.ConnectedServer -= SocketClientHelper_ConnectedServer;
udpClientHelper.ReceivedDatagram -= SocketClientHelper_ReceivedDatagram;
udpClientHelper.Close();
udpClientHelper = null;
}
if (udpServerHelper != null)
{
udpServerHelper.RecvData -= SocketServerHelper_RecvData;
udpServerHelper.ClientConn -= SocketServerHelper_ClientConn;
udpServerHelper.CloseAllClient();
udpServerHelper = null;
}
}
private void button_CloseSerial_Click(object sender, EventArgs e)
{
if (!helper.ComPortIsOpen)
{
return;
}
try//尝试关闭串口
{
helper.Close();
SetAfterClose(); //成功关闭串口或串口丢失后的设置
}
catch //如果在未关闭串口前，串口就已丢失，这时关闭串口会出现异常
{
if (helper.ComPort.IsOpen == false) //判断当前串口状态，如果ComPort.IsOpen==false，说明串口已丢失
{
SetComLose();
}
}
}