查看一个实体的类型（包括自定义实体）

软件架构师何志丹

static void BJJMyGroupMyCommand () {
 
   while ( true )
 
   {
 
    ads_point adsPt;
 
    ads_name entName;
 
    AcDbObjectId entId;
 
    AcDbEntity* pEnt;
 
    if(acedEntSel(_T("\n请选择实体或<Esc键退出>:"), entName, adsPt) != RTNORM)
 
     return ;
 
    acdbGetObjectId(entId, entName);
 
    if (acdbOpenObject(pEnt, entId, AcDb::kForRead) != Acad::eOk)
 
     return ;
 

 
 

    acutPrintf(_T("Name:"));
 
    acutPrintf(pEnt->isA()->name());
 
    acutPrintf(_T("\r\n"));
 

 
 

    pEnt->close();
 
   }
 
  }
 

 
 

 部分实体的继承关系

 

 
 

 //      AcDbEntity
 
 //        AcDbText
 
 //          AcDbAttribute
 
 //          AcDbAttributeDefinition
 
 //        AcDbBlockBegin
 
 //        AcDbBlockEnd
 
 //        AcDbSequenceEnd
 
 //        AcDbBlockReference
 
 //          AcDbMInsertBlock
 
 //        AcDbVertex
 
 //          AcDb2dVertex
 
 //          AcDb3dPolylineVertex
 
 //          AcDbPolygonMeshVertex
 
 //          AcDbPolyFaceMeshVertex
 
 //          AcDbFaceRecord
 
 //        AcDbCurve
 
 //          AcDbPolyline
 
 //          AcDb2dPolyline
 
 //          AcDb3dPolyline
 
 //          AcDbArc
 
 //          AcDbCircle
 
 //          AcDbLine
 
 //          AcDbMline
 
 //        AcDbPoint
 
 //        AcDbFace
 
 //        AcDbPolyFaceMesh
 
 //        AcDbPolygonMesh
 
 //        AcDbTrace
 
 //        AcDbSolid
 
 //        AcDbShape
 
 //        AcDbViewport