Small app to help with hotkey access to windows mixer control app's volume.
F1 to toggle between two volume levels.
Just edit your Volume A & B to desired levels 0-100.
Edit Process Name field in case you want to control separate application, then you need to lookup process name in Task Manager and type in the name of the process you want to change volume of.
Project was compiled using Visual Studio 2015, .NET Framework 4.5.2 & CSCore library.