The DebugSwitcher is a separatly dropdown in the menu bar. It lets you easy access between different debug-configurations.
Save the debug-informations from your current StartUp-Project with a name of your choice. It will be now in the dropdown-list of the Debug-Switcher. Now you can restore this debug-informations with a single click - in any solutions. Open any solution, click your prefered debug-infos and start your project!