private void UnPackBlock( byte[] bytes, int off) { C0 = Pack.LE_To_UInt32(bytes, off); C1 = Pack.LE_To_UInt32(bytes, off + 4); C2 = Pack.LE_To_UInt32(bytes, off + 8); C3 = Pack.LE_To_UInt32(bytes, off + 12); }