IfcDoc.FormEdit.CreateLink C# (CSharp) Method

        private DocDefinition CreateLink(DocDefinition target, DocPoint docPoint)
        {
            if (target is DocPageTarget)
            {
                DocPageTarget docPageTarget = (DocPageTarget)target;
                DocPageSource docPageSource = new DocPageSource();
                docPageTarget.Sources.Add(docPageSource);

                //docPageSource.Target = docPageTarget;
                docPageSource.DiagramRectangle = new DocRectangle();
                docPageSource.DiagramRectangle.X = docPoint.X + 400.0;
                docPageSource.DiagramRectangle.Y = docPoint.Y;
                docPageSource.DiagramRectangle.Width = 400.0;
                docPageSource.DiagramRectangle.Height = 100.0;

                int px = (int)(docPageSource.DiagramRectangle.X / CtlExpressG.PageX);
                int py = (int)(docPageSource.DiagramRectangle.Y / CtlExpressG.PageY);
                int page = 1 + py * this.ctlExpressG.Schema.DiagramPagesHorz + px;
                docPageSource.DiagramNumber = page;

                return docPageSource;
            }
            else
            {
                return target;
            }
        }