I wanted today to display the application version in front of our builds, something I already did on the past but never with the VCS version.
In fact I used the same BUILD_VCS_NUMBER_<simplified VCS root name> that I described here: Build multiple ClickOnce deployment packages using MSBuild and Team City
To implement this, go to the General Settings of your build and adapt as follows:
When your software is built, it will now display the version: