Dynamic Connector Visio: Как поменять стиль у коннектора, а именно, нужно сделать стрелки

private void connectWithDynamicGlueAndConnector(Shape shapeFrom,Shape shapeTo)
        {
 
            Microsoft.Office.Interop.Visio.Cell beginXCell;
            Microsoft.Office.Interop.Visio.Cell endXCell;
            Microsoft.Office.Interop.Visio.Shape connector;
 
            // Add a Dynamic connector to the page.
            connector = dropMasterOnPage(
                (Page)shapeFrom.ContainingPage,
                "Dynamic Connector",
                Utilities.FlowchartStencil,
                0.0,
                0.0);
 
            // Connect the begin point.
            beginXCell = connector.get_CellsSRC(
                (short)VisSectionIndices.visSectionObject,
                (short)VisRowIndices.visRowXForm1D,
                (short)VisCellIndices.vis1DBeginX);
 
            beginXCell.GlueTo(shapeFrom.get_CellsSRC(
                (short)VisSectionIndices.visSectionObject,
                (short)VisRowIndices.visRowXFormOut,
                (short)VisCellIndices.visXFormPinX));
 
            // Connect the end point.
            endXCell = connector.get_CellsSRC(
                (short)VisSectionIndices.visSectionObject,
                (short)VisRowIndices.visRowXForm1D,
                (short)VisCellIndices.vis1DEndX);
 
            endXCell.GlueTo(shapeTo.get_CellsSRC(
                (short)VisSectionIndices.visSectionObject,
                (short)VisRowIndices.visRowXFormOut,
                (short)VisCellIndices.visXFormPinX));
        }
 
        private Shape dropMasterOnPage(
            Page dropOnPage,
            string masterNameU,
            string stencilName,
            double pinX,
            double pinY)
        {
 
            Documents applicationDocuments;
            Document stencil;
            Master masterToDrop;
            Shape returnShape = null;
 
            // Find the stencil in the Documents collection by name.
            applicationDocuments = dropOnPage.Application.Documents;
            stencil = Utilities.GetStencil(applicationDocuments,
                stencilName);
 
            // Get a master on the stencil by its universal name.
            masterToDrop = Utilities.GetMasterItem(stencil, masterNameU);
 
            // Drop the master on the page that is passed in. Set the
            // PinX and PinY using the data passed in parameters pinX
            // and pinY, respectively.
            returnShape = dropOnPage.Drop(masterToDrop, pinX, pinY);
 
            return returnShape;
        }