Start an offline ClickOnce Application and wait for Exit
I have deployed a ClickOnce Windows Forms application (App A) Another application (App B) starts App A with a filename as parameter. I do this with this Code var basePath = Environment.GetFolderPath(Environment.SpecialFolder.Programs); var location = String.Format(@"{0}\{1}\{2}\{3}", basePath, "MyCompany", "MyProduct", "MyApp.appref-ms"); var fileName = @"c:\temp\somefile.ext"; var uri = new Uri(fileName).ToString(); Process.Start(location, uri); App A grabs the file name from AppDomain.CurrentDomain.SetupInformation.ActivationArguments.ActivationData[0] and show the content. This works like a