How to have TFS 2010 detect changes done to files outside of Visual Studio?

Question

I\'m using Team Foundation Server 2010 with Visual Studio 2010.

Whenever I modify a file outside of Visual Studio, TFS doesn\'t seem to detect the change done to the

Answer 1

Visual Sourcesafe works like this too and the way I get VSS or TFS to notice the change is by checking the file out once inside Visual Studio.