Как в автокаде посредством .NET API переместить 3д модель

string path = @"путь_к_файлу";
 
ObjectId solidId = new ObjectId();
 
Document document = Application.DocumentManager.MdiActiveDocument;
Editor editor = document.Editor;
Database documentDb = document.Database;
 
using (Database sourceDb = new Database(false, true))
{
    sourceDb.ReadDwgFile(
        path,
        FileOpenMode.OpenForReadAndAllShare,
        false,
        null
    );
 
    using (Transaction transaction = documentDb.TransactionManager.StartTransaction())
    {
        BlockTable blockTable = (BlockTable)transaction.
            GetObject(documentDb.BlockTableId, OpenMode.ForWrite);
 
        BlockTableRecord blockTableRecord = (BlockTableRecord)transaction.
            GetObject(blockTable[BlockTableRecord.ModelSpace], OpenMode.ForWrite);
 
        using (Transaction sourceDbTransaction = sourceDb.TransactionManager.StartTransaction())
        {
            BlockTable sourceBlockTable = (BlockTable)sourceDbTransaction.
            GetObject(sourceDb.BlockTableId, OpenMode.ForWrite);
 
            BlockTableRecord sourceBlockTableRecord = (BlockTableRecord)sourceDbTransaction.
                GetObject(sourceBlockTable[BlockTableRecord.ModelSpace], OpenMode.ForRead);
 
            ObjectIdCollection idsCollection = new ObjectIdCollection();
 
            foreach (ObjectId id in sourceBlockTableRecord)
            {
                idsCollection.Add(id);
            }
 
 
            IdMapping mapping = new IdMapping();
            documentDb.WblockCloneObjects(
                idsCollection,
                blockTableRecord.ObjectId,
                mapping,
                DuplicateRecordCloning.Replace,
                false
            );
 
            foreach (IdPair idPair in mapping)
            {
                ObjectId mappedId = idPair.Value;
 
                var entity = transaction.GetObject(mappedId, OpenMode.ForRead);
 
                if (entity is Solid3d)
                {
                    solidId = mappedId;
 
                    break;
                }
            }
 
 
            sourceDbTransaction.Commit();
        }
 
        transaction.Commit();
    }
}
 
using (Transaction transaction = documentDb.TransactionManager.StartTransaction())
{
    Solid3d solid = (Solid3d)transaction.GetObject(solidId, OpenMode.ForWrite);
 
    Point3d basePoint = Point3d.Origin;
 
    PromptPointOptions promptPoint = new PromptPointOptions("Выберите точку, куда переместить солид: ");
    promptPoint.UseBasePoint = true;
    promptPoint.BasePoint = basePoint;
 
    PromptPointResult pointResult = editor.GetPoint(promptPoint);
 
    Vector3d vector = Point3d.Origin.GetVectorTo(pointResult.Value);
 
    Matrix3d displacementMatrix = Matrix3d.Displacement(vector);
 
    solid.TransformBy(displacementMatrix);
 
    transaction.Commit();
}

ObjectId blockRefId = ObjectId.Null;
 
foreach (IdPair pair in mapping)
{
    if (!pair.IsCloned)
        continue;
 
    Entity ent = transaction.GetObject(pair.Value, OpenMode.ForRead) as Entity;
 
    if (ent is BlockReference)
    {
        blockRefId = pair.Value;
        break;
    }
}

using (Transaction tr = documentDb.TransactionManager.StartTransaction())
{
    BlockReference blockRef =
        tr.GetObject(blockRefId, OpenMode.ForWrite) as BlockReference;
 
    PromptPointResult ppr = editor.GetPoint("\nУкажите точку вставки: ");
    if (ppr.Status != PromptStatus.OK)
        return;
 
    Vector3d displacement =
        blockRef.Position.GetVectorTo(ppr.Value);
 
    blockRef.TransformBy(Matrix3d.Displacement(displacement));
 
    tr.Commit();
}