VLC player supports particular file formats except those formats vlc player should not allow user's to open the files like .vmc , .csv... should raise an exception.

VLC player supports particular file formats, except those formats vlc player should not allow user's to open the files like .vmc , files .cvs! For instance : when user try to open the files like .csv file(as we know .csv file is an xl sheet file ,which is not the supported format ,so VLC player should not allow or try to play the xl file instead it must throw an exception.