// ReSharper restore InconsistentNaming
private static IntPtr GetIdentitySid(string identity)
{
SecurityIdentifier sid =
new NTAccount(identity).Translate(typeof(SecurityIdentifier)) as SecurityIdentifier;
if (sid == null)
{
throw new ArgumentException(string.Format("Account {0} not found.", identity));
}
byte[] sidBytes = new byte[sid.BinaryLength];
sid.GetBinaryForm(sidBytes, 0);
System.IntPtr sidPtr = Marshal.AllocHGlobal(sidBytes.Length);
Marshal.Copy(sidBytes, 0, sidPtr, sidBytes.Length);
return(sidPtr);
}