aspose-com-gists/readme.md

## readme.md

      
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              readme.md
            
          
    Add a Watermark to CAD Files using .NET CAD API

C# codes listed below demonstrating how to added a watermark to file. Developers can easily use and modify these as of their OMR application requirement.
More details of viewer code using .NET CAD Library at https://products.aspose.com/cad/net/watermark/
For code integration there few prerequisite listed in installation section below.
Installation

Install from command line as nuget install Aspose.CAD or via Package Manager Console of Visual Studio with Install-Package Aspose.CAD.
Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads.
More About C# CAD API

Home | Product Page | Docs | Demos | API Reference | Examples | Blog | Search | Free Support | Temporary License

  
## watermark-pdf-options.cs
var image = Image.Load(@"img.dxf");

// create an instance of CadRasterizationOptions and set page height & width
var rasterizationOptions = new CadRasterizationOptions()
{
  PageWidth = 1600,
  PageHeight = 1600
};

// create an instance of PdfOptions
var options = new PdfOptions()
{
  UserWatermarkText = "ASPOSE",     //set watermark text
  UserWatermarkColor = Color.Black  //set watermark color
};

// set the VectorRasterizationOptions property as CadRasterizationOptions
options.VectorRasterizationOptions = rasterizationOptions;

image.Save("img.pdf", options);
	var image = Image.Load(@"img.dxf");

	// create an instance of CadRasterizationOptions and set page height & width
	var rasterizationOptions = new CadRasterizationOptions()
	{
	PageWidth = 1600,
	PageHeight = 1600
	};

	// create an instance of PdfOptions
	var options = new PdfOptions()
	{
	UserWatermarkText = "ASPOSE", //set watermark text
	UserWatermarkColor = Color.Black //set watermark color
	};

	// set the VectorRasterizationOptions property as CadRasterizationOptions
	options.VectorRasterizationOptions = rasterizationOptions;

	image.Save("img.pdf", options);