http://blogs.msdn.com/b/danteg/archive/2008/01/16/getting-the-vista-minimize-with-windowless-applications.aspxHere's the problem. Launch Blend, and create a window that has AllowsTransparency set to true (which sets the WindowStyle to None). Looks good, yes? Now, add a button, and in the Click handler, set the WindowState property to Minimized. Run the applicationen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/danteg/archive/2008/01/16/getting-the-vista-minimize-with-windowless-applications.aspx#7133040Wed, 16 Jan 2008 20:42:12 GMT91d46819-8472-40ad-a661-2c78acb4018c:7133040MSDN Blog Postings » Getting the 'Vista' minimize with Windowless applications<p>PingBack from <a rel="nofollow" target="_new" href="http://msdnrss.thecoderblogs.com/2008/01/16/getting-the-vista-minimize-with-windowless-applications/">http://msdnrss.thecoderblogs.com/2008/01/16/getting-the-vista-minimize-with-windowless-applications/</a></p><img src="http://blogs.msdn.com/aggbug.aspx?PostID=7133040" width="1" height="1">