创建一个EveryOne SECURITY_ATTRIBUTES.

创建一个EveryOne SECURITY_ATTRIBUTES.(10)
            SECURITY_ATTRIBUTES sa = new SECURITY_ATTRIBUTES();
            SECURITY_DESCRIPTOR sd = new SECURITY_DESCRIPTOR();

            lpSecurityDescriptor = Marshal.AllocCoTaskMem( Marshal.SizeOf( sd));
            Marshal.StructureToPtr( sd,lpSecurityDescriptor,false);

            if( ! InitializeSecurityDescriptor( lpSecurityDescriptor ,SECURITY_DESCRIPTOR_REVISION))