C# 获取计算机串口列表初始化下拉框控件

方法

public static void InitializePort()
{
    try
    {
        Microsoft.Win32.RegistryKey hklm = Microsoft.Win32.Registry.LocalMachine;
        Microsoft.Win32.RegistryKey software11 = hklm.OpenSubKey("HARDWARE");
        //打开"HARDWARE"子健
        Microsoft.Win32.RegistryKey software = software11.OpenSubKey("DEVICEMAP");
        Microsoft.Win32.RegistryKey sitekey = software.OpenSubKey("SERIALCOMM");
        //获取当前子健
        String[] Str2 = sitekey.GetValueNames();
        //获得当前子健下面所有健组成的字符串数组
        int ValueCount = sitekey.ValueCount;
        //获得当前子健存在的健值
        int i;
        for (i = 0; i < ValueCount; i++)
        {
            Workstation_Main.PortName.Items.Add((string)sitekey.GetValue(Str2[i]));
        }
        return;
    }
    catch (Exception)
    {
        return;
    }
}

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