It describes how to get this useful dropdown visible:
3.In “Commands” tab, select “Build” in “Categories”.
4. Scroll the right listbox to the bottom and drag “Solution Configurations” to the toolbar
- In Visual Studio 2008, click “Tools” -> “Options”
- Under “Projects and Solutions” -> “General”, check “Show advanced build options”, and click “OK”
3.In “Commands” tab, select “Build” in “Categories”.
4. Scroll the right listbox to the bottom and drag “Solution Configurations” to the toolbar