Flicker photo search displayed in web browser

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C#

I am using flickrnet API and I want to make photo search. I need to use my web browser to display search. First of all, I am thinking to make it with tagmode option and later I will change it to text, but I found difficulty to generate url of this, maybe you could tell me what I am doing wrong and how to generate that url, is it possible to do what I want with PhotoSearchOption? My code try:

private void button4_Click(object sender, EventArgs e)
        {
            var flickr = new Flickr("api key", "secured");

            // Get 100 most recent pictures with the tag "Cold"
            PhotoSearchOptions options = new PhotoSearchOptions();
            options.TagMode = TagMode.AnyTag;
            options.Tags = "Cold";

            PhotoCollection photos = flickr.PhotosSearch(options);

            webBrowser1.ScriptErrorsSuppressed = true;
            webBrowser1.Navigate(options.ToString());// I know there should be not option, but option's url


        }