ObjectARX 判断是否是模型空间

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ObjectARX 判断是否是模型空间

[code]static bool IsModelSpace(void)
{
  AcDbObjectId idCurrent = acdbCurDwg()->currentSpaceId();
  AcDbBlockTablePointer pBT(acdbCurDwg(),AcDb::kForRead);
  if (pBT.openStatus() == Acad::eOk) {
    AcDbObjectId idModel;
    if (pBT->getAt(ACDB_MODEL_SPACE,idModel) == Acad::eOk) {
      if (idModel == idCurrent) return true;
    }
  }
  return false;
}[/code]