openc 和nxopenc++交互

秋实

  UF_FEATURE_SIGN sign = UF_NULLSIGN;
* G" k+ G6 b# R  double block_orig[3] = {0.0,0.0,0.0};
  char *block_len[3] = {"1","2","3"};
  S8 b# }" m7 j, m, [  tag_t blk_obj;
  UF_MODL_create_block1(sign, block_orig, block_len, &blk_obj);
用openc创建一个长方体，然后想用nxopenC++函数根据这个长方体的标示符blk_obj的到该长方体对象，希望大侠能够给出具体代码，谢谢