NET applications with CadLib 4. CadLib makes it very easy to use C#,VB. NET or any other. NET language of DWG and DXF files. This is done by providing you with a complete type safety, integrated file and sample solution. CadLib renders is high quality and easy to integrate in your applications. Displays the DWG and DXF file using GDI+,WPF or OpenGL. Converted to XAML support.