public string GetMacAddress2()
{
string str = "";
try
{
NCB ncb = new NCB
{
ncb_command = 0x37
};
int cb = Marshal.SizeOf(typeof(LANA_ENUM));
ncb.ncb_buffer = Marshal.AllocHGlobal(cb);
ncb.ncb_length = (ushort)cb;
char ch = Win32API.Netbios(ref ncb);
LANA_ENUM lana_enum = (LANA_ENUM)Marshal.PtrToStructure(ncb.ncb_buffer, typeof(LANA_ENUM));
Marshal.FreeHGlobal(ncb.ncb_buffer);
if (ch != '\0')
{
return("");
}
for (int i = 0; i < lana_enum.length; i++)
{
ASTAT astat;
ncb.ncb_command = 50;
ncb.ncb_lana_num = lana_enum.lana[i];
if (Win32API.Netbios(ref ncb) != '\0')
{
return("");
}
ncb.ncb_command = 0x33;
ncb.ncb_lana_num = lana_enum.lana[i];
ncb.ncb_callname[0] = 0x2a;
cb = Marshal.SizeOf(typeof(ADAPTER_STATUS)) + (Marshal.SizeOf(typeof(NAME_BUFFER)) * 30);
ncb.ncb_buffer = Marshal.AllocHGlobal(cb);
ncb.ncb_length = (ushort)cb;
ch = Win32API.Netbios(ref ncb);
astat.adapt = (ADAPTER_STATUS)Marshal.PtrToStructure(ncb.ncb_buffer, typeof(ADAPTER_STATUS));
Marshal.FreeHGlobal(ncb.ncb_buffer);
if (ch == '\0')
{
if (i > 0)
{
str = str + ":";
}
str = string.Format("{0,2:X}{1,2:X}{2,2:X}{3,2:X}{4,2:X}{5,2:X}", new object[] { astat.adapt.adapter_address[0], astat.adapt.adapter_address[1], astat.adapt.adapter_address[2], astat.adapt.adapter_address[3], astat.adapt.adapter_address[4], astat.adapt.adapter_address[5] });
}
}
}
catch
{
}
return(str.Replace(' ', '0'));
}
public static string GetMacAddress()
{
string text = "";
try
{
NCB ncb = default(NCB);
ncb.ncb_command = 55;
int num = Marshal.SizeOf(typeof(LANA_ENUM));
ncb.ncb_buffer = Marshal.AllocHGlobal(num);
ncb.ncb_length = (ushort)num;
char num2 = Win32API.Netbios(ref ncb);
LANA_ENUM lANA_ENUM = (LANA_ENUM)Marshal.PtrToStructure(ncb.ncb_buffer, typeof(LANA_ENUM));
Marshal.FreeHGlobal(ncb.ncb_buffer);
if (num2 != 0)
{
return("");
}
for (int i = 0; i < lANA_ENUM.length; i++)
{
ncb.ncb_command = 50;
ncb.ncb_lana_num = lANA_ENUM.lana[i];
if (Win32API.Netbios(ref ncb) != 0)
{
return("");
}
ncb.ncb_command = 51;
ncb.ncb_lana_num = lANA_ENUM.lana[i];
ncb.ncb_callname[0] = 42;
num = Marshal.SizeOf(typeof(ADAPTER_STATUS)) + Marshal.SizeOf(typeof(NAME_BUFFER)) * 30;
ncb.ncb_buffer = Marshal.AllocHGlobal(num);
ncb.ncb_length = (ushort)num;
char num3 = Win32API.Netbios(ref ncb);
ASTAT aSTAT = default(ASTAT);
aSTAT.adapt = (ADAPTER_STATUS)Marshal.PtrToStructure(ncb.ncb_buffer, typeof(ADAPTER_STATUS));
Marshal.FreeHGlobal(ncb.ncb_buffer);
if (num3 == '\0')
{
if (i > 0)
{
text += ":";
}
text = string.Format("{0,2:X}{1,2:X}{2,2:X}{3,2:X}{4,2:X}{5,2:X}", aSTAT.adapt.adapter_address[0], aSTAT.adapt.adapter_address[1], aSTAT.adapt.adapter_address[2], aSTAT.adapt.adapter_address[3], aSTAT.adapt.adapter_address[4], aSTAT.adapt.adapter_address[5]);
}
}
}
catch
{
}
return(text.Replace(' ', '0'));
}