Load document from URL

Following example demonstrates how to annotate document from URL.

string url = "https://github.com/groupdocs-annotation/GroupDocs.Annotation-for-.NET/blob/master/Examples/Resources/SampleFiles/input.pdf?raw=true";

using (Annotator annotator = new Annotator(GetRemoteFile(url)))
	AreaAnnotation area = new AreaAnnotation()
		Box = new Rectangle(100, 100, 100, 100),
		BackgroundColor = 65535,

private static Stream GetRemoteFile(string url)
	WebRequest request = WebRequest.Create(url);
	using (WebResponse response = request.GetResponse())
		return GetFileStream(response);

private static Stream GetFileStream(WebResponse response)
	MemoryStream fileStream = new MemoryStream();
	using (Stream responseStream = response.GetResponseStream())
		fileStream.Position = 0;
		return fileStream;

More resources

GitHub Examples

You may easily run the code above and see the feature in action in our GitHub examples:

Free Online App

Along with full-featured .NET library we provide simple but powerful free Apps. You are welcome to annotate your PDF, DOC or DOCX, XLS or XLSX, PPT or PPTX, PNG and other documents with free to use online GroupDocs Annotation App.