Working with Hyperlinks

Update Hyperlink in a DWG

Aspose.CAD for .NET allows you to access the hyperlink in an AutoCAD drawing using the CadBaseEntity.Hyperlink. You can access each hyperlink from this collection one by one and edit its properties.

Sample Code

The following sample code accesses all the entities of the image and changes their Hyperlink property to the Aspose website.

            // The path to the documents directory.
            string MyDir = RunExamples.GetDataDir_DWGDrawings();
            string dwgPathToFile = MyDir + "AutoCad_Sample.dwg";

            using (CadImage cadImage = (CadImage)Image.Load(dwgPathToFile))
            {
                foreach (CadBaseEntity entity in cadImage.Entities)
                {
                    if (entity is CadInsertObject)
                    {
                        CadBlockEntity block = cadImage.BlockEntities[((CadInsertObject)entity).Name];
                        if (!string.IsNullOrEmpty(block.XRefPathName.Value))
                        {
                            block.XRefPathName.Value = "new file reference.dwg";
                        }
                    }

                    if (entity.Hyperlink == "https://products.aspose.com")
                    {
                        entity.Hyperlink = "https://www.aspose.com";
                    }
                }
            }