创建一个EveryOne SECURITY_ATTRIBUTES.

创建一个EveryOne SECURITY_ATTRIBUTES.(13)             }

            sa.bInheritHandle = bInheritHandle?1:0;
            sa.nLength = (uint)Marshal.SizeOf( sa );

            sa.lpSecurityDescriptor = lpSecurityDescriptor;

            pSa = Marshal.AllocCoTaskMem( Marshal.SizeOf( sa));
            Marshal.StructureToPtr( sa,pSa,false);