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<title>delphi下读取网卡的MAC                             </title>
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      <div align="center" class="btitle">delphi下读取网卡的MAC                             <br>
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      <div align="center"><strong>fangwd                                            </strong></div>
       
      <b><br>
      　摘　要</b>：delphi下如何读取网卡的MAC                         <br>
      <b>　关键字</b>：MAC 网卡                                           <br>
      <b>　类　别</b>：网络                                               
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      <span class="content">//加入nb30.pas单元 <br><br>var<br>&nbsp;&nbsp;LanaNum: Byte;<br>&nbsp;&nbsp;MACAddress: PMACAddress;<br>&nbsp;&nbsp;RetCode: Byte; <br>begin<br>&nbsp;&nbsp;LanaNum := StrToInt(ComboBox1.Text);<br>&nbsp;&nbsp;New(MACAddress);<br>&nbsp;&nbsp;try<br>&nbsp;&nbsp;&nbsp;&nbsp;RetCode := GetMACAddress(LanaNum, MACAddress);<br>&nbsp;&nbsp;&nbsp;&nbsp;if RetCode = NRC_GOODRET then<br>&nbsp;&nbsp;&nbsp;&nbsp;begin<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Edit1.Text := Format('%2.2x-%2.2x-%2.2x-%2.2x-%2.2x-%.2x', MACAddress[0], MACAddress[1], MACAddress[2], MACAddress[3], MACAddress[4], MACAddress[5]]);<br>&nbsp;&nbsp;&nbsp;&nbsp;end else<br>&nbsp;&nbsp;&nbsp;&nbsp;begin<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Beep;<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Edit1.Text := 'Error';<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ShowMessage('GetMACAddress Error! RetCode = $' + IntToHex(RetCode, 2));<br>&nbsp;&nbsp;&nbsp;&nbsp;end;<br>&nbsp;&nbsp;finally<br>&nbsp;&nbsp;&nbsp;&nbsp;Dispose(MACAddress);<br>&nbsp;&nbsp;end;</span> 
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