Programmatically downloading image files from Dynamics CRM 2011

private static void DownloadIcons(IOrganizationService sdk, string path)

{

    QueryExpression qe = new QueryExpression("webresource");

    qe.ColumnSet = new ColumnSet("name", "webresourcetype", "content", "displayname");

    // 7 = gif, 10 = ico

    qe.Criteria.AddCondition("webresourcetype", ConditionOperator.In, new int[] { 7, 10 });

    Console.WriteLine("downloading, please wait...");

    var results = sdk.RetrieveMultiple(qe);

    var all = results.Entities.ToList();

    Console.WriteLine("found: {0} web resources", all.Count);

    if (!Directory.Exists(path)) { Directory.CreateDirectory(path); }

    all.ForEach(a =>

    {

        var type = a.GetAttributeValue<OptionSetValue>("webresourcetype");

        string name = a.GetAttributeValue<string>("name") + ((type.Value == 7) ? ".gif" : ".ico");

        // remove any simulated paths using the schema name, eg: mag_/img/xyz.extension

        if (name.IndexOf("/") > -1)

        {

            name = name.Substring(name.LastIndexOf("/") + 1);

        }

        var content = Convert.FromBase64String(a.GetAttributeValue<string>("content"));

        File.WriteAllBytes(Path.Combine(path, name), content);

        Console.WriteLine("downloaded: {0}", name);

    });

    Console.WriteLine("all done!");

}