Changing the scheme of System.Uri

Question

I\'m looking for canonical way of changing scheme of a given System.Uri instance with System.UriBuilder without crappy string manipulations and magic constants. Say I have

Answer 1

Another iteration on Good Night Nerd Pride's answer, as an extension:

public static Uri RewriteHttps(this Uri originalUri)
{
    return new UriBuilder(originalUri)
    {
        Scheme = Uri.UriSchemeHttps,
        Port = originalUri.IsDefaultPort ? -1 : originalUri.Port // -1 => default port for scheme
    }.Uri;
}