/// <summary>
/// Tries to get the supported envelope namespace based
/// on the <see cref="QName"/> prefix
/// </summary>
/// <param name="ns">The not understood header namespace or null if not found</param>
/// <returns>True if a match namespace is found for the QName prefix</returns>
public bool TryGetNotUnderstoodNamespace(out XmlQualifiedName ns)
{
var idx = QName.IndexOf(':');
if (idx > 0)
{
var nsName = QName.Substring(0, idx);
ns = Xmlns.ToArray().FirstOrDefault(e => e.Name == nsName);
return(ns != null);
}
ns = null;
return(false);
}
