/// <summary>
/// Initializes a new instance of the <see cref="UrlBuilder"/> class
/// with the specified scheme and host.
/// </summary>
/// <param name="scheme">An Internet access protocol.</param>
/// <param name="host">A DNS-style domain name or IP address.</param>
/// <param name="port">An IP port number for the service.</param>
/// <param name="path">The path to the Internet resource.</param>
/// <param name="extraValue">A query string or fragment identifier.</param>
/// <exception cref="System.ArgumentException">
/// <paramref name="extraValue"/> is neither <see langword="null"/>
/// nor <see cref="System.String.Empty">System.String.Empty</see>, nor
/// does a valid fragment identifier begin with a number sign (#), nor
/// a valid query string begin with a question mark (?).
/// </exception>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <paramref name="port"/> is less than -1 or greater than 65,535.
/// </exception>
public UrlBuilder(UriScheme scheme, string host, int port, string path, string extraValue)
{
this.builder = new UriBuilder(scheme, host, port, path, extraValue);
this.queryParameters = new QueryStringParametersDictionary(this.builder.Query);
}
/// <summary>
/// Initializes a new instance of the <see cref="UrlBuilder"/> class
/// with the specified scheme and host.
/// </summary>
/// <param name="scheme">An Internet access protocol.</param>
/// <param name="host">A DNS-style domain name or IP address.</param>
/// <param name="port">An IP port number for the service.</param>
/// <param name="path">The path to the Internet resource.</param>
/// <exception cref="System.ArgumentOutOfRangeException">
/// <paramref name="port"/> is less than -1 or greater than 65,535.
/// </exception>
public UrlBuilder(UriScheme scheme, string host, int port, string path)
{
this.builder = new UriBuilder(scheme, host, port, path);
this.queryParameters = new QueryStringParametersDictionary();
}