如何在Bricscad中制作表格

//++-- A sample Command class...Daniel Marcotte
class CommandAddTable : public OdStaticRxObject
{
public:
  const OdString localName() const {return globalName();}
  const OdString groupName() const {return DD_T("DRXGLOBAL");}
  const OdString globalName() const {return DD_T("AddTable");}
  void execute(OdEdCommandContext* pCmdCtx) 
  {
    ASSERT(pCmdCtx != NULL); 
    if(pCmdCtx == NULL)
      return;
    OdDbCommandContextPtr pDbCmdCtx(pCmdCtx);
    OdDbUserIOPtr pDbIO = pDbCmdCtx->dbUserIO();
    OdDbDatabasePtr pDb = pDbCmdCtx->database();
    if(pDb.isNull())
      return;
    //++--
    OdGePoint3d startPt = pDbIO->getPoint(DD_T("Get Point")); 
    //++-- Here we use the method ::createObject() instead of new.
    OdDbTablePtr pNewTable = OdDbTable::createObject();
    if(pNewTable.isNull())
      return;
    //++-- This sets the defaults such as layer ...
    pNewTable->setDatabaseDefaults(pDb);
    pNewTable->setPosition(startPt);
    pNewTable->setNumColumns(5);
    pNewTable->setNumRows(5);
    //++-- you need to do this 
    pNewTable->generateLayout();
    //++-- merge the top row
    pNewTable->mergeCells(0,0,0,4);
    pNewTable->setTextString(0,0,DD_T("Does this work"));
    double textHeight = pDb->getTEXTSIZE();
    pNewTable->setRowHeight(textHeight);
    pNewTable->setColumnWidth(textHeight * 15);
    
    //++-- Get the modelspace ID
    OdDbObjectId spaceId = pDb->getModelSpaceId();
    if(spaceId.isNull())
      return;
    //++-- Open the BTR for write
    OdDbBlockTableRecordPtr pBtr = spaceId.openObject(OdDb::kForWrite);
    if(pBtr.isNull())
      return;
    //++-- add the table
    pBtr->appendOdDbEntity(pNewTable);
    pDbIO->putString(_T("\nDone!"));
  }
};

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