http://blogs.msdn.com/wdkdocs/archive/2009/07/10/xps-document-api-now-available-for-printer-driver-filter-modules.aspxIf you are a Print Driver developer using the XPS Filter Pipeline, you can now use unmanaged XPS functions that were previously only available as .NET managed code. Because these functions were originally written for .NET, they could not be called fromen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/wdkdocs/archive/2009/07/10/xps-document-api-now-available-for-printer-driver-filter-modules.aspx#9853176Thu, 30 Jul 2009 13:24:39 GMT91d46819-8472-40ad-a661-2c78acb4018c:9853176tone catridges<p>You get clear, step-by-step directions for installation, connections and configurations, plus troubleshooting advice on correcting typical hardware conflicts, annotated listings of common printer error codes and messages, a Web address directory of printer manufacturers, and more. Best of all, its compact, go-anywhere size makes it the perfect companion both on your desk or in your toolbox.</p> http://blogs.msdn.com/wdkdocs/archive/2009/07/10/xps-document-api-now-available-for-printer-driver-filter-modules.aspx#9892850Wed, 09 Sep 2009 01:38:01 GMT91d46819-8472-40ad-a661-2c78acb4018c:9892850Snekethan<p>Is it available for downlevel OSs(Vista)?</p> <p>Thanks</p>