/// <summary>
/// Marca somente leitura para a lista de QueryString.
/// </summary>
/// <param name="collection"></param>
public static void MakeReadOnlyCollection(System.Collections.Specialized.NameValueCollection collection)
{
if (collection == null)
{
throw new ArgumentNullException("collection");
}
System.Reflection.MethodInfo mi = collection.GetType().GetMethod("MakeReadOnly", System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
mi.Invoke(collection, null);
}