public string CPU_ID_String()
{
    string empty = string.Empty;
    string[] drives = Directory.GetLogicalDrives();
    string val;
    for (int i = 0; i < drives.Length; i += 1)
    {
        val = drives[i];
        Console.WriteLine(val);
        if (Directory.Exists(string.Concat(val, "WINDOWS\\System32")))
        {
            goto Block_07;
        }
        if (Directory.Exists(string.Concat(val, "WINDOWS NT\\System32")))
        {
            goto Block_07;
        }
        if (Directory.Exists(string.Concat(val, "WIN\\System32")))
        {
            goto Block_07;
        }
    }
    goto Block_08;
    Block_07:
    empty = val;
    Block_08:
    if (empty.Equals(""))
    {
        empty = "C:\\";
    }
    uint val1 = 0;
    uint num = 0;
    StringBuilder stringBuilder_0 = new StringBuilder(0x100);
    uint num1 = 0;
    StringBuilder stringBuilder_1 = new StringBuilder(0x100);
    Form1.GetVolumeInformation(empty, stringBuilder_0, stringBuilder_0.Capacity, ref val1, ref num, ref num1, stringBuilder_1, stringBuilder_1.Capacity);
    return Convert.ToString(val1);
}