public DrawingManager2(EscherDggRecord dgg)
 {
     this.dgg = dgg;
 }
        /**
         * Creates a primary drawing Group record.  If it already 
         *  exists then it's modified.
         */
        public void CreateDrawingGroup()
        {
            if (drawingManager == null)
            {
                EscherContainerRecord dggContainer = new EscherContainerRecord();
                EscherDggRecord dgg = new EscherDggRecord();
                EscherOptRecord opt = new EscherOptRecord();
                EscherSplitMenuColorsRecord splitMenuColors = new EscherSplitMenuColorsRecord();

                dggContainer.RecordId=unchecked((short)0xF000);
                dggContainer.Options=(short)0x000F;
                dgg.RecordId=EscherDggRecord.RECORD_ID;
                dgg.Options=(short)0x0000;
                dgg.ShapeIdMax=1024;
                dgg.NumShapesSaved=0;
                dgg.DrawingsSaved=0;
                dgg.FileIdClusters=new EscherDggRecord.FileIdCluster[] { };
                drawingManager = new DrawingManager2(dgg);
                EscherContainerRecord bstoreContainer = null;
                if (escherBSERecords.Count > 0)
                {
                    bstoreContainer = new EscherContainerRecord();
                    bstoreContainer.RecordId=EscherContainerRecord.BSTORE_CONTAINER;
                    bstoreContainer.Options=(short)((escherBSERecords.Count << 4) | 0xF);
                    for (IEnumerator iterator = escherBSERecords.GetEnumerator(); iterator.MoveNext(); )
                    {
                        EscherRecord escherRecord = (EscherRecord)iterator.Current;
                        bstoreContainer.AddChildRecord(escherRecord);
                    }
                }
                opt.RecordId=unchecked((short)0xF00B);
                opt.Options=(short)0x0033;
                opt.AddEscherProperty(new EscherBoolProperty(EscherProperties.TEXT__SIZE_TEXT_TO_FIT_SHAPE, 524296));
                opt.AddEscherProperty(new EscherRGBProperty(EscherProperties.Fill__FillCOLOR, 0x08000041));
                opt.AddEscherProperty(new EscherRGBProperty(EscherProperties.LINESTYLE__COLOR, 134217792));
                splitMenuColors.RecordId=unchecked((short)0xF11E);
                splitMenuColors.Options=(short)0x0040;
                splitMenuColors.Color1=0x0800000D;
                splitMenuColors.Color2=0x0800000C;
                splitMenuColors.Color3=0x08000017;
                splitMenuColors.Color4=0x100000F7;

                dggContainer.AddChildRecord(dgg);
                if (bstoreContainer != null)
                    dggContainer.AddChildRecord(bstoreContainer);
                dggContainer.AddChildRecord(opt);
                dggContainer.AddChildRecord(splitMenuColors);

                int dgLoc = FindFirstRecordLocBySid(DrawingGroupRecord.sid);
                if (dgLoc == -1)
                {
                    DrawingGroupRecord drawingGroup = new DrawingGroupRecord();
                    drawingGroup.AddEscherRecord(dggContainer);
                    int loc = FindFirstRecordLocBySid(CountryRecord.sid);

                    Records.Insert(loc + 1, drawingGroup);
                }
                else
                {
                    DrawingGroupRecord drawingGroup = new DrawingGroupRecord();
                    drawingGroup.AddEscherRecord(dggContainer);
                    Records[dgLoc]= drawingGroup;
                }

            }
        }