how to fetch com port details from cmd result

Question

 

need code for only "COM8" into a string COM8 may be change according our com port change

private void button21_Click(object sender, EventArgs e)
{
try
{
edltext.Clear();
startInfo.FileName = "emmcdl.exe";
startInfo.Arguments = " -l";
process.StartInfo = startInfo;
process.Start();
edltext.Text = edltext.Text + "\r\n" + process.StandardOutput.ReadToEnd();
}
catch (Exception ex)
{
edltext.Text = (ex.Message);
}