Use C# .NET AutoCAD to PDF converter to convert DWG or DXF to PDF in C#. You can convert DWG, Dwf, DWT and DXF to PDF, JPEG, PNG, BMP, GIF and TIFF in C# .NET as well....Setting the Canvas Size & Mode Export from CAD to PDF or CAD to raster...demonstrated below. Converting DWF CAD Layers to Raster Image Formats...