/// <overloads>
/// <summary>Checks the <c>localname</c> and <c>nsUri</c> arguments and creates
/// a new <see cref="QName"/> instance if they are well-formed.</summary>
/// </overloads>
/// <exception cref="ArgumentException">Thrown when the arguments are not well-formed.</exception>
/// <remarks>Relative URIs will be rejected as namespace names since such use
/// has been deprecated.</remarks>
/// <param name="localName">Local part of qualified XML name.</param>
/// <param name="nsUri">Namespace URI of qualified XML name.</param>
/// <returns>Well-formed <see cref="QName"/> instance.</returns>
public static QName Checked(string localName, string nsUri)
{
XmlChars.CheckNcName(localName);
Uri uri = new Uri(nsUri);
return(new QName(localName, nsUri));
}
/// <param name="localName">Local part of qualified XML name.</param>
/// <returns>Well-formed <see cref="QName"/> instance with empty namespace.</returns>
public static QName Checked(string localName)
{
XmlChars.CheckNcName(localName);
return(new QName(localName));
}