//方法一
String[] Str2 = System.IO.Ports.SerialPort.GetPortNames();
if (Str2.Length > 0)
{
for (int k = 0; k < Str2.Length; k++)
{
comboBoxEdit1.Properties.Items.Add(Str2[k]);
}
}
//方法二
String[] Str2 = Gprs.GetSerialPortNames();
if (Str2.Length > 0)
{
for (int k = 0; k < Str2.Length; k++)
{
comboBoxEdit1.Properties.Items.Add(Str2[k]);
}
}
//方法三
RegistryKey keyCom = Registry.LocalMachine.OpenSubKey("Hardware\\DeviceMap\\SerialComm");
if (keyCom != null)
{
string[] sSubKeys = keyCom.GetValueNames();
comboBoxEdit1.Properties.Items.Clear();
foreach (string sName
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