// Protected members
protected override Uri GetWebDriverUri(IWebBrowserInfo webBrowserInfo, IHttpWebRequestFactory webRequestFactory)
{
// Note that Edge and EdgeHTML use different web drivers-- MicrosoftEdgeDriver.exe and msedgedriver.exe, respectively.
// The latest version of EdgeHTML is 18.19041, so that can be used to determine which web driver to download.
// Currently, this method only gets web driver URIs for Edge, and not EdgeHTML.
string edgeMajorVersionStr = webBrowserInfo.Version.Major.ToString(CultureInfo.InvariantCulture);
// We'll get an XML document listing all web driver versions available for this version of Edge.
// There might not be one for this specific version, so we'll pick the closest.
using (IWebClient client = webRequestFactory.CreateWebClient()) {
int maxResults = 999;
string responseXml = client.DownloadString($"https://msedgewebdriverstorage.blob.core.windows.net/edgewebdriver?prefix={edgeMajorVersionStr}&delimiter=%2F&maxresults={maxResults}&restype=container&comp=list");
string webDriverVersionStr = Regex.Matches(responseXml, @"<Name>([\d.]+)", RegexOptions.IgnoreCase).Cast <Match>()
.Select(m => m.Groups[1].Value) // version strings
.OrderByDescending(versionString => CountMatchingRevisions(versionString, edgeMajorVersionStr))
.ThenByDescending(versionString => versionString, new NaturalSortComparer())
.FirstOrDefault();
if (string.IsNullOrWhiteSpace(webDriverVersionStr))
{
webDriverVersionStr = edgeMajorVersionStr;
}
return(new Uri($"https://msedgedriver.azureedge.net/{webDriverVersionStr}/edgedriver_{GetPlatformOS()}.zip"));
}
}
