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POHow to get MAC address in windows7?
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  1. POHow to get MAC address in windows7?
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    copied!<blockquote> <p><strong>Possible Duplicates:</strong><br> <a href="https://stackoverflow.com/questions/2069855/getting-machines-mac-address-good-solution">Getting Machine&rsquo;s MAC Address &mdash; Good Solution?</a><br> <a href="https://stackoverflow.com/questions/577071/how-do-i-get-the-mac-address-of-a-network-card-using-delphi">How do I get the MAC address of a network card using Delphi?</a> </p> </blockquote> <p>I am using MAC address as hardware id for protection(ofcourse I have encrypted this data) I am using below code to get MAC address on user computer </p> <pre><code>function MacAddress: string; var Lib: Cardinal; Func: function(GUID: PGUID): Longint; stdcall; GUID1, GUID2: TGUID; begin Result := ''; Lib := LoadLibrary('rpcrt4.dll'); if Lib &lt;&gt; 0 then begin @Func := GetProcAddress(Lib, 'UuidCreateSequential'); if Assigned(Func) then begin if (Func(@GUID1) = 0) and (Func(@GUID2) = 0) and (GUID1.D4[2] = GUID2.D4[2]) and (GUID1.D4[3] = GUID2.D4[3]) and (GUID1.D4[4] = GUID2.D4[4]) and (GUID1.D4[5] = GUID2.D4[5]) and (GUID1.D4[6] = GUID2.D4[6]) and (GUID1.D4[7] = GUID2.D4[7]) then begin Result := IntToHex(GUID1.D4[2], 2) + '-' + IntToHex(GUID1.D4[3], 2) + '-' + IntToHex(GUID1.D4[4], 2) + '-' + IntToHex(GUID1.D4[5], 2) + '-' + IntToHex(GUID1.D4[6], 2) + '-' + IntToHex(GUID1.D4[7], 2); end; end; end; end; </code></pre> <p>above code works perfectly on windows XP but its giving different values in windows7 ,the value changing every time after computer resratred :( is there any chance of getting MAC address thats constant (unless user changed his MAC address) or is there any good code which retrvies constant data on all OS ?</p> <p>thanks in advance </p>
 

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