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Use UriExportStrategy with CustomUriExportStrategy and IUriSavingHandler to rewrite resource URIs in the Markdown output. This is useful when images are served from a CDN or a different path than where they’re saved.
NoteURI rewriting works with file-based image strategies (ExportImagesToFileSystemStrategyorCustomImagesStrategy). It has no effect when images are embedded as Base64.
using GroupDocs.Markdown;
public class CdnUriHandler : IUriSavingHandler
{
public void Handle(UriSavingArgs args)
{
args.SetResourceFileUri("https://cdn.example.com/assets/" + args.ResourceFileName);
}
}
var options = new ConvertOptions
{
ImageExportStrategy = new ExportImagesToFileSystemStrategy("output/images")
{
ImagesRelativePath = "images"
},
UriExportStrategy = new CustomUriExportStrategy(new CdnUriHandler())
};
MarkdownConverter.ToFile("report.docx", "output/report.md", options);
// Images saved locally to output/images/
// Markdown references: 
| Property | Description |
|---|---|
ResourceFileName | Default file name generated by the library |
ResourceFileUri | Default URI that would appear in the Markdown |
SetResourceFileUri(string) | Override the URI written to the Markdown output |
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