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<title>可获得管理员权限的登录方法 </title>
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<td width="621"><a href="http://www.CoDelphi.com"><img src="images/logo.gif" border="0" width="153" height="60"><img src="images/bigbanner.gif" border="0" width="468" height="60"></a></td>
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<div align="center" class="btitle">可获得管理员权限的登录方法 <br>
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<div align="center"><strong>CoDelphi.com </strong></div>
<b><br>
摘 要</b>：我如何登录才能获得管理员权限？ <br>
<b> 关键字</b>：OpenThreadToken GetTokenInformation 管理员 <br>
<b> 类 别</b>：系统控制
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<span class="content">const <Br> SECURITY_NT_AUTHORITY: TSIDIdentifierAuthority = <Br> (Value: (0, 0, 0, 0, 0, 5)); <Br> SECURITY_BUILTIN_DOMAIN_RID = $00000020; <Br> DOMAIN_ALIAS_RID_ADMINS = $00000220; <Br><Br>function IsAdmin: Boolean; <Br>var <Br> hAccessToken: THandle; <Br> ptgGroups: PTokenGroups; <Br> dwInfoBufferSize: DWORD; <Br> psidAdministrators: PSID; <Br> x: Integer; <Br> bSuccess: BOOL; <Br>begin <Br> Result := False; <Br> bSuccess := OpenThreadToken(GetCurrentThread, TOKEN_QUERY, True, <Br> hAccessToken); <Br> if not bSuccess then <Br> begin <Br> if GetLastError = ERROR_NO_TOKEN then <Br> bSuccess := OpenProcessToken(GetCurrentProcess, TOKEN_QUERY, <Br> hAccessToken); <Br> end; <Br> if bSuccess then <Br> begin <Br> GetMem(ptgGroups, 1024); <Br> bSuccess := GetTokenInformation(hAccessToken, TokenGroups, <Br> ptgGroups, 1024, dwInfoBufferSize); <Br> CloseHandle(hAccessToken); <Br> if bSuccess then <Br> begin <Br> AllocateAndInitializeSid(SECURITY_NT_AUTHORITY, 2, <Br> SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, <Br> 0, 0, 0, 0, 0, 0, psidAdministrators); <Br> {$R-} <Br> for x := 0 to ptgGroups.GroupCount - 1 do <Br> if EqualSid(psidAdministrators, ptgGroups.Groups[x].Sid) then <Br> begin <Br> Result := True; <Br> Break; <Br> end; <Br> {$R+} <Br> FreeSid(psidAdministrators); <Br> end; <Br> FreeMem(ptgGroups); <Br> end; <Br>end; <Br><Br>procedure TForm1.Button1Click(Sender: TObject); <Br>begin <Br> if isAdmin then <Br> begin <Br> ShowMessage('以系统管理员身份登录'); <Br> end; <Br>end.<Br></span>
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中文开发在线<a href="http://www.codelphi.com" target="_blank">www.codelphi.com</a>授权使用。
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