MAC地址不会重复的。
terry_lzs (2001-5-29 12:50:00)
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获得MAC地址
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls,nb30;
type
PASTAT = ^TASTAT;
TASTAT = record
adapter : TAdapterStatus;
name_buf : TNameBuffer;
end;
type
TForm1 = class(TForm)
Button1: TButton;
Label1: TLabel;
procedure Button1Click(Sender: TObject);
private
function Getmac:string;
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.DFM}
procedure TForm1.Button1Click(Sender: TObject);
begin
label1.caption:=Getmac;
end;
function TForm1.Getmac:string;
var
ncb : TNCB;
s:string;
adapt : TASTAT;
lanaEnum : TLanaEnum;
i, j, m : integer;
strPart, strMac : string;
begin
FillChar(ncb, SizeOf(TNCB), 0);
ncb.ncb_command := Char(NCBEnum);
ncb.ncb_buffer := PChar(@lanaEnum);
ncb.ncb_length := SizeOf(TLanaEnum);
s:=Netbios(@ncb);
for i := 0 to integer(lanaEnum.length)-1do
begin
FillChar(ncb, SizeOf(TNCB), 0);
ncb.ncb_command := Char(NCBReset);
ncb.ncb_lana_num := lanaEnum.lana;
Netbios(@ncb);
Netbios(@ncb);
FillChar(ncb, SizeOf(TNCB), 0);
ncb.ncb_command := Chr(NCBAstat);
ncb.ncb_lana_num := lanaEnum.lana;
ncb.ncb_callname := '* ';
ncb.ncb_buffer := PChar(@adapt);
ncb.ncb_length := SizeOf(TASTAT);
m:=0;
if (Win32Platform = VER_PLATFORM_WIN32_NT) then
m:=1;
if m=1 then
begin
if Netbios(@ncb) = Chr(0) then
strMac := '';
for j := 0 to 5do
begin
strPart := IntToHex(integer(adapt.adapter.adapter_address[j]), 2);
strMac := strMac + strPart + '-';
end;
SetLength(strMac, Length(strMac)-1);
end;
if m=0 then
if Netbios(@ncb) <> Chr(0) then
begin
strMac := '';
for j := 0 to 5do
begin
strPart := IntToHex(integer(adapt.adapter.adapter_address[j]), 2);
strMac := strMac + strPart + '-';
end;
SetLength(strMac, Length(strMac)-1);
end;
end;
result:=strmac;
end;
end.
