   Visual Studio - Direct 3D debugging doesn't work (C#)
  I'm trying to start my application with direct 3D debugging, but just nothing happens. Nothings starts. Isn't this avaible under c#?   
  The same happened to me, I think we have to enable DirectX Debug in the DirectX component in the Control Panel.   ;  Yep, you'll have to switch to the Debug Runtime in the DirectX control panel and move the slider all the way to the right for 'Most ouput'. Additionally you'll have to enable 'unmanaged debugging' on your project's Debug Property sheet. Unfortunately the latter option is not available in the VS Express Editions (at least not in the releases from the beginning of this year).   