WPF app Single Instance in one line of code usage

Usage: WpfSingleInstance.Make(); or WpfSingleInstance.Make(SingleInstanceModes.ForEveryUser);

1. Add only a line of code of above to your App.xaml.cs or to the main window of your WPF app.
2. Add to your project this modest CSharp file WpfSingleInstance.cs or code from it.

• No additional inheritance.
• No App.xalm deleting.
• No such redundant WCF and Remoting undercover interactions.
• It works by the EventWaitHandle and it is so simple.

I know others who evolved my approach from here. And this is great.
But I was needed a reliable, robust, simple and small solution just for that time.

P.S.: I wasn't worried about security of a string-name for EventWaitHandle. It's your turn now )