public StatisticsCommand(ImageConsole.Program program)
     : base("-stats", "\"min/max/avg\" \"luminance/luma/avg/lightness\"", "prints the statistic")
 {
     this.program = program;
 }
 public SilentCommand(ImageConsole.Program program) :
     base("-silent", "", "disables progress output")
 {
     this.program = program;
 }
 public CloseCommand(ImageConsole.Program program)
     : base("-close", "", "stops reading from cin")
 {
     this.program = program;
 }
 public CinCommand(ImageConsole.Program program)
     : base("-cin", "", "keeps the console open to retrieve commands via cin")
 {
     this.program = program;
 }