net7.0-windows enable true ChrisKaczor.Wpf.Application Chris Kaczor ChrisKaczor.Wpf.Application.SingleInstance https://github.com/ckaczor/ChrisKaczor.Wpf.Application.SingleInstance README.md This library can be used to restrict an application to only a single instance and sends the command line of any newly started instance to the currently running instance. ChrisKaczor.Wpf.Application.SingleInstance ChrisKaczor.Wpf.Application.SingleInstance True \