VC judge the current user has no administrator permissions (with the Equalsid API function to determine whether the admin in a group SID)

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2. /************************************************************************/
4. /* Function Description: Determine whether there are administrator permissions
6. /* Parameter: None
8. /* Return value: True is returned successfully, otherwise false is returned
10. /* By:koma 2009.07.28 23:30
12. /************************************************************************/
14. BOOL ISAdmin ()
16. {
18. HANDLE Haccesstoken;
20. BYTE * InfoBuffer = new byte[1024];
22. Ptoken_groups ptggroups;
24. DWORD dwinfobuffersize;
26. PSID psidadministrators;
28. Sid_identifier_authority siantauthority = security_nt_authority;
32. if (! OpenProcessToken (GetCurrentProcess (), Token_query,&haccesstoken))
34. {
36. Delete InfoBuffer;
38. return FALSE;
40. }
44. if (! GetTokenInformation (haccesstoken,tokengroups,infobuffer,1024,&dwinfobuffersize))
46. {
48. Delete InfoBuffer;
50. CloseHandle (Haccesstoken);
52. return FALSE;
54. }
58. CloseHandle (Haccesstoken);
62. if (! AllocateAndInitializeSid (&siantauthority,
64. 2,
66. Security_builtin_domain_rid,
68. Domain_alias_rid_admins,
70. 0,0,0,0,0,0,
72. &psidadministrators))
74. {
76. Delete InfoBuffer;
78. return FALSE;
80. }
84. Ptggroups = (ptoken_groups) InfoBuffer;
88. For (UINT i = 0; i < ptggroups->groupcount; i++)
90. {
92. if (Equalsid (psidadministrators,ptggroups->groups[i). Sid))
94. {
96. Freesid (psidadministrators);
98. Delete InfoBuffer;
100. return TRUE;
102. }
104. }
106. return FALSE;
108. }

http://blog.csdn.net/wangningyu/article/details/4389546

VC judge the current user has no administrator permissions (with the Equalsid API function to determine whether the admin in a group SID)