XPS文档中的注释

using System.IO;
using System.IO.Packaging;
using System.Windows.Xps.Packaging;

namespace StackOverflow
{
    class Program
    {
        static void Main(string[] args)
        {
            const string XpsFilePath = @" ... path to XPS file ... ";

            using (var document = new XpsDocument(XpsFilePath, FileAccess.ReadWrite))
            {
                PackageProperties properties = document.CoreDocumentProperties;
                properties.Title = "Some title";
                properties.Subject = "Some subject line";
                properties.Keywords = "stackoverflow xps";
                properties.Category = "Some category";
                properties.Description = "Some kind of document";
                properties.Creator = "me";
                properties.LastModifiedBy = "me again";
                properties.Revision = "Rev A";
                properties.Version = "v1";
            }

            // XpsDocument is from System.Windows.Xps.Packaging, in ReachFramework assembly
            // PackageProperties is from System.IO.Packaging, in WindowsBase assembly
        }
    }
}

using (var document = new XpsDocument(XpsFilePath, FileAccess.Read))
{
    PackageProperties properties = document.CoreDocumentProperties;
    System.Console.WriteLine(properties.Title);
    // etc...
}