Application.Current.Shutdown();

Question

hello, 
           can any one tell me what happens when we use the statement :
                                                        
                                Application.Current.Shutdown();


I am using this statement many a times in my code depending  on if certain conditions are satisfied . however i am concern about disposing all the resources (specially some audio stream which i opened ) properly . does this happen in the background when we use this code?

thank you