I’ve used .Net Reflector on TimeSpan.ToString(…) and it really doesn’t look like it supports any form of negative prefix on custom formats – so I think you’re out of luck when it comes to getting it to work for you as above. 🙁
I’ve used .Net Reflector on TimeSpan.ToString(…) and it really doesn’t look like it supports any form of negative prefix on custom formats – so I think you’re out of luck when it comes to getting it to work for you as above. 🙁