C#

private void serialPort1_DataReceived_1(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{    
    txtToDisplay = serialPort1.ReadExisting();
    DisplayText();
}
        
public void DisplayText()
{
    if (txtIn.InvokeRequired)
    {
       this.BeginInvoke(new MethodInvoker(DisplayText));
    }
    else
    {
        txtIn.AppendText(txtToDisplay);
    }
}

private void GetComPorts() //populate the comm port list with the available system ports
{
    foreach (string s in SerialPort.GetPortNames() )
    {
        lbPort.Items.Add(s);
    }
}

private void btnOpen_Click(object sender, EventArgs e)
{

     this.lbPort.SelectedIndex = this.lbPort.TopIndex;          // which port?
     this.lbRate.SelectedIndex = this.lbRate.TopIndex;          // baud rate?
     this.lbProtocol.SelectedIndex = this.lbProtocol.TopIndex;  // N,8,1 or N,7,1 (strings in a collection)

     string crlf = Environment.NewLine;                         // this might be the real trick...

     serialPort1.BaudRate = Int32.Parse(lbRate.Text);
     serialPort1.PortName = lbPort.Text;

     serialPort1.Open();

     if (serialPort1.IsOpen)
     {
        btnOpen.Enabled = false;
        btnClose.Enabled = true;

        txtIn.AppendText(string.Format("Port {0} opened successfully." + crlf, serialPort1.PortName));
                
     }
}

qwertz321 wrote:

theprocess.MainModule.FileName

theprocess.Modules[indexno].FileName // here indexno value of modules in the collection

Luc Pattyn wrote:

that is much more expensive and in no way any better than what qwertz already provided.

ShilpaKumari wrote:

Good its just look like a fire A complete + Answer

RaviRanjankr wrote:

some people Down vote or comment without testing code, which is not good in any corner.

RaviRanjankr wrote:

theprocess.Modules[indexno].FileName

MDNadeemAkhter wrote:

We need to handle Exception in this case.