Get list of all pages available in a web site

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C#

Is there any way in C# that I can get a list of all of the pages that are on a web site? For example, if I choose to use 'www.microsoft.com' then it should return:
'www.microsoft.com/shop'
'www.microsoft.com/products'
'www.microsoft.com/downloads'
'www.microsoft.com/support'
...and all the other pages for it...

In the end what I want to do is get the links to every image resource that is used on the site so I thought if I can get the links to the pages then I could download the images from each one. Pseudo code:

foreach (WebPage wp in WebSite.GetWebPages("http://www.microsoft.com"))
{
    Console.WriteLine(wp.GetWebUrl.ToString();
    foreach (WebPageImage wpi in WebPage.GetImages(wp))
    {
        WepPageImage.DownloadImage(wpi.GetWebUrl.ToString());
        Console.WriteLine("Image Downloaded: " + wpi.GetWebUrl.ToString());
    }
}
// or something like that

I hope there is a way to do this and how I would do it. I hope you understand what I want to do. Thank you.