Had the desire to open files from the command line (a cygwin terminal, mintty, to be specific) into my existing session of Visual Studio 2008. Here is what you can do.
Adjust paths as necessary. Put this in your bash profile:
export PATH=$PATH:/cygdrive/c/Program\ Files\ \(x86\)/Microsoft\ Visual\ Studio\ 9.0/Common7/IDE/
alias devedit="devenv \$1 /edit"
Now, this gives you two [...]