Sample code for added watermark in C#. Use the sample API code To add a watermark To file in VB.NET, Asp.NET, or any .NET-based application....including DWG, DXF, DGN, IFC, IGES, DWF, DWFx, STL, PLT but also converts...raster images such as PNG, JPG, BMP, TIFF, and GIF with ease. Add...