public override void ProcessEntity(PicEntity entity) { PicTypedDrawable drawable = entity as PicTypedDrawable; if (entity is PicSegment || entity is PicArc) { ExpBlock defblock = _exporter.GetBlockOrCreate("default"); ExportEntity(defblock, entity); } PicBlock block = entity as PicBlock; if (null != block) { // create block ExpBlock expBlock = _exporter.CreateBlock(string.Format("Block_{0}", block.Id)); // create _x=0.0 _y=0.0 ExpBlockRef expBlockRef = _exporter.CreateBlockRef(expBlock); // create entities foreach (PicEntity blockEntity in block.Entities) { ExportEntity(expBlock, blockEntity); } } PicBlockRef blockRef = entity as PicBlockRef; if (null != blockRef) { // retrieve previously created block ExpBlock expBlock = _exporter.GetBlock(string.Format("Block_{0}", blockRef.Block.Id)); ExpBlockRef expBlockRef = _exporter.CreateBlockRef(expBlock); expBlockRef._x = blockRef.Position.X; expBlockRef._y = blockRef.Position.Y; expBlockRef._dir = blockRef.Angle; expBlockRef._scaleX = 1.0; expBlockRef._scaleY = 1.0; } }