In the early 2000s, there was no integration between the Windows build environment (Razzle) and Visual Studio. It was common for a dev to keep their own .sln f

In the early 2000s, there was no integration between the Windows build environment (Razzle) and Visual Studio. It was common for a dev to keep their own .sln file on their dev box so they could work on their component, while the actual build happened against a I-cannot-even-remember-what file that the Razzle environment used.