System.ConsolePal.TerminalFormatStrings.AddPrefixKey C# (CSharp) Method

            private void AddPrefixKey(TermInfo.Database db, string extendedNamePrefix, ConsoleKey key)
            {
                AddKey(db, extendedNamePrefix + "3", key, shift: false, alt: true,  control: false);
                AddKey(db, extendedNamePrefix + "4", key, shift: true,  alt: true,  control: false);
                AddKey(db, extendedNamePrefix + "5", key, shift: false, alt: false, control: true);
                AddKey(db, extendedNamePrefix + "6", key, shift: true,  alt: false, control: true);
                AddKey(db, extendedNamePrefix + "7", key, shift: false, alt: false, control: true);
            }