Convert DGN to JPEG, PNG, or TIFF Image Programmatically in C#

readme.md

You can find all the details at: Convert DGN to JPEG, PNG, or TIFF Image Programmatically in C#

DGN-to-JPG.cs

// Load input DGN file using Image class
Image image = Image.Load("template.dgn");

// Initialize an object of CadRasterizationOptions
CadRasterizationOptions rasterizationOptions = new CadRasterizationOptions()
    {
        PageWidth = 1600,
        PageHeight = 1600
    };

// Create an instance of JpegOptions
JpegOptions options = new JpegOptions();

// Set CadRasterizationOptions properties
options.VectorRasterizationOptions = rasterizationOptions;

// Convert DGN to JPG image
image.Save("output.jpg", options);

DGN-to-PNG.cs

// Load DGN file using Image class
Image image = Image.Load("template.dgn");

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

// Create an instance of PngOptions
PngOptions options = new PngOptions();

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

// Convert DGN to PNG Image
image.Save("output.png", options);

DGN-to-TIFF.cs

// Load input DGN file using Image class
Image image = Image.Load("template.dgn");

// Initialize an object of CadRasterizationOptions
CadRasterizationOptions rasterizationOptions = new CadRasterizationOptions()
    {
        PageWidth = 1600,
        PageHeight = 1600
    };

// Create an instance of TiffOptions
TiffOptions options = new TiffOptions(FileFormats.Tiff.Enums.TiffExpectedFormat.Default);

// Set the VectorRasterizationOptions property
options.VectorRasterizationOptions = rasterizationOptions;

// Convert DGN to TIFF Image
image.Save("output.tiff", options);