/// <summary> /// Sorts a <see cref="WebParameterCollection" /> by name, and then value if equal. /// </summary> /// <param name="parameters">A collection of parameters to sort</param> /// <returns>A sorted parameter collection</returns> public static WebParameterCollection SortParametersExcludingSignature(WebParameterCollection parameters) { var copy = new WebParameterCollection(parameters); var exclusions = copy.Where(n => n.Name.EqualsIgnoreCase("oauth_signature")); copy.RemoveAll(exclusions); copy.ForEach(p => { p.Name = UrlEncodeStrict(p.Name); p.Value = UrlEncodeStrict(p.Value); }); copy.Sort((x, y) => string.CompareOrdinal(x.Name, y.Name) != 0 ? string.CompareOrdinal(x.Name, y.Name) : string.CompareOrdinal(x.Value, y.Value)); return(copy); }