How could force Console application in Csharp to exit!

Question

Hello! How are you doing? 

 

I am trying to force my Console application which is written in Csharp to close by writing the following line of code: 

 

System.Environment.Exit (0);
 

Unfortunately, it does not work..., Any suggestions how could I make it successful pls? 

 

Thank you a lot & Best Regards, 

 

Ehssan Dannouf