为什么这个添加扩展数据的函数实现不了

whyangdong · 发表于 2003-7-25 18:23:00

void addxdata()
{
AcDbObject *pObj;
      ads_name ent;
      ads_point ptpoint;

if(acedEntSel("\nSelect  entity. ", ent, ptpoint)!=RTNORM)
      {
         acutPrintf("\nnothing selected!!");
         return;

      }
      AcDbObjectId obId;
      acdbGetObjectId(obId,ent);
acdbOpenObject(pObj,obId, AcDb::kForRead);
      int m=9;
      struct resbuf *pRb,*pTemp;
      pRb=pObj->xData("yd1");
      if(pRb!=NULL)
      {
      acutPrintf("\n已经有护展数据");
      for(pTemp=pRb;pTemp->rbnext!=NULL;pTemp=pTemp->rbnext)
            {;}
      }
      else
      {

            if(acdbTblSearch("APPID","yd1",0)==NULL)
                  acdbRegApp("yd1");
         else
            {
                     pObj->close();

            }
            pRb=acutNewRb(AcDb::kDxfRegAppName);
            pRb->resval.rstring="yd1";
      }
      pRb->rbnext=acutNewRb(AcDb::kDxfXdInteger16);
            pRb->resval.rint=m;
            pObj->upgradeOpen();
            pObj->setXData(pRb);
            pObj->close();
            acutRelRb(pRb);

}

为什么这个添加扩展数据的函数实现不了

发表回复

精选推荐