API -> IsValidSid [ Library : advapi32.dll, Category : Security ] [C#, VB, VB.net]

IsValidSid

Library : advapi32.dll Category : Security

Api Example(s)
Check whether the current user is an administrator

API Description :

The IsValidSid function validates a security identifier (SID) by verifying that the revision number is within a known range, and that the number of subauthorities is less than the maximum.

VB Declaration :

Show Multiline Public Private

Declare Function IsValidSid Lib "advapi32" (pSid As Any) As Long

Parameters :

· pSid 
[in] Pointer to the SID structure to validate. This parameter cannot be NULL.

Return :

If the SID structure is valid, the return value is nonzero.

If the SID structure is not valid, the return value is zero. There is no extended error information for this function; do not call GetLastError.

OS Requirement :

Requires Windows NT 3.1 or later
Win9x/ME: Not supported

Dotnet Replacement :