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andreatos

WblockClon​eObjects memory not disposed

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andreatos

Hi,

i need to read an external dwg and import only some entities.

I use WblockCloneObjects, it work fine but i found a memory problem, the memory is not disposed autocad memory process significantly increases after every WblockCloneObjects.

 

Where is the problem?

 

Thank you very much.

[CommandMethod("TestClone", CommandFlags.Transparent)]
       public void TestClone()
       {
           // repeated 20 times to highlight the memory consumption
           for (int i = 0; i < 20; i++)
           {
               ObjectIdCollection filteredIds = new ObjectIdCollection();

               Database targetDb = ACAP.Application.DocumentManager.MdiActiveDocument​.Database;
               
               using (Transaction trMain = targetDb.TransactionManager.StartTransaction())
               {
                   using (Database db = new Database(false, true))
                   {
                       // read the source dwg
                       db.ReadDwgFile(@"D:\he10t.dwg", FileOpenMode.OpenForReadAndAllShare, true, "");
                       
                       // get all entities
                       using (Transaction trSource = db.TransactionManager.StartTransaction())
                       {
                           BlockTable pBT = (BlockTable)trSource.GetObject(db.BlockTableId, OpenMode.ForRead, false);
                           BlockTableRecord pBTR = (BlockTableRecord)trSource.GetObject(pBT[blockTabl​eRecord.ModelSpace], OpenMode.ForRead, false);

                           foreach (ObjectId id in pBTR)
                           {
                               // ...open entity and filter
                               filteredIds.Add(id);
                           }
                       }

                       // clone the filtered entities in current document
                       using (ACAP.DocumentLock dl = ACAP.Application.DocumentManager.MdiActiveDocument​.LockDocument())
                       {
                           using (IdMapping mapping = new IdMapping())
                           {
                               // now clone the objects into the destdb
                               ObjectId destDbMsId = SymbolUtilityServices.GetBlockModelSpaceId(targetD​b);

                               db.WblockCloneObjects(filteredIds, destDbMsId, mapping, DuplicateRecordCloning.Replace, false);
                           }
                       }
                   }
                   trMain.Commit();
               }    
               filteredIds.Dispose();
           }
           
       }

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