關於判斷是台式電腦或筆記本的程序

using System.Runtime.InteropServices;

private const int HW_PROFILE_GUIDLEN = 39;
private const int MAX_PROFILE_LEN = 80;

private const int DOCKINFO_UNDOCKED = 0x1;
private const int DOCKINFO_DOCKED = 0x2;
private const int DOCKINFO_USER_SUPPLIED = 0x4;
private const int DOCKINFO_USER_UNDOCKED = DOCKINFO_USER_SUPPLIED |

DOCKINFO_UNDOCKED;
private const int DOCKINFO_USER_DOCKED = DOCKINFO_USER_SUPPLIED |

DOCKINFO_DOCKED;
public struct HW_PROFILE_INFO
{
    public uint dwDockInfo;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = HW_PROFILE_GUIDLEN)]
    public string szHwProfileGuid;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_PROFILE_LEN)]
    public string szHwProfileName;
};

[DllImport("advapi32.dll")]
public static extern bool GetCurrentHwProfile(ref HW_PROFILE_INFO

lpHwProfileInfo);

private void button1_Click(object sender, EventArgs e)
{
    HW_PROFILE_INFO vHW_PROFILE_INFO = new HW_PROFILE_INFO();
    if (GetCurrentHwProfile(ref vHW_PROFILE_INFO))
    {
        if ((vHW_PROFILE_INFO.dwDockInfo & (DOCKINFO_UNDOCKED |

DOCKINFO_DOCKED)) ==
            (DOCKINFO_UNDOCKED | DOCKINFO_DOCKED))
        {
            Text = "筆記本";
        }
        else Text = "台式電腦";
    }
}