C# program exits immediately if UseWPF/UseWindowsForms set to true
Breaking change in .NET 5.
MS Docs:
OutputTypeis automatically set toWinExefor Windows Presentation Foundation (WPF) and Windows Forms apps. WhenOutputTypeis set toWinExe, a console window doesn't open when the app is executed.(...)
Recommended action
No action is required in your part. However, if you want to revert to the old behavior, set the
DisableWinExeOutputInferenceproperty totruein your project file.<DisableWinExeOutputInference>true</DisableWinExeOutputInference>
Your app is quitting because there is no standard input to use ReadLine() on.