Best practices for Alt-Tab support in a DirectX app?

Question

When writing DirectX applications, obviously it\'s desirable to support the user suspending the application via Alt-Tab in a way that\'s fast and e

Answer 1

All serious D3D apps should be able to handle lost devices as this is something that can happen for a variety of reasons.

In DX10 under Vista there is a new "Timeout Detection and Recovery" feature that makes it common in my experience for graphics devices to be reset which would cause a lost device for your app. This seems to be improving as drivers mature but you need to handle it anyway.