public void FormatterGARS()
        {
            var coord = new CoordinateGARS(203, "LW", 1, 8);
            var temp = coord.ToString("", new CoordinateGARSFormatter());
            Assert.AreEqual(temp, "203LW18");

            temp = coord.ToString("X# Y QK", new CoordinateGARSFormatter());
            Assert.AreEqual(temp, "203 LW 18");
            
            temp = coord.ToString("X# Y Q K", new CoordinateGARSFormatter());
            Assert.AreEqual(temp, "203 LW 1 8");
            
            temp = coord.ToString("X#-Y-QK", new CoordinateGARSFormatter());
            Assert.AreEqual(temp, "203-LW-18");
            
            temp = coord.ToString("X#-Y-Q-K", new CoordinateGARSFormatter());
            Assert.AreEqual(temp, "203-LW-1-8");

            temp = coord.ToString("X#,Y,Q,K", new CoordinateGARSFormatter());
            Assert.AreEqual(temp, "203,LW,1,8");
        }
        private void UpdateSample()
        {
            var type = GetCoordinateType();

            switch(type)
            {
                case CoordinateType.DD:
                    var dd = new CoordinateDD();

                    if (ctdict.ContainsKey(CoordinateType.DD))
                    {
                        CoordinateDD.TryParse(ctdict[type], out dd);
                    }

                    Sample = dd.ToString(Format, new CoordinateDDFormatter());

                    break;
                case CoordinateType.DDM:
                    var ddm = new CoordinateDDM();
                    
                    if(ctdict.ContainsKey(type))
                    {
                        CoordinateDDM.TryParse(ctdict[type], out ddm);
                    }

                    Sample = ddm.ToString(Format, new CoordinateDDMFormatter());
                    break;
                case CoordinateType.DMS:
                    var dms = new CoordinateDMS();

                    if(ctdict.ContainsKey(type))
                    {
                        CoordinateDMS.TryParse(ctdict[type], out dms);
                    }
                    Sample = dms.ToString(Format, new CoordinateDMSFormatter());
                    break;
                case CoordinateType.GARS:
                    var gars = new CoordinateGARS();

                    if(ctdict.ContainsKey(type))
                    {
                        CoordinateGARS.TryParse(ctdict[type], out gars);
                    }

                    Sample = gars.ToString(Format, new CoordinateGARSFormatter());
                    break;
                case CoordinateType.MGRS:
                    var mgrs = new CoordinateMGRS();

                    if(ctdict.ContainsKey(type))
                    {
                        CoordinateMGRS.TryParse(ctdict[type], out mgrs);
                    }

                    Sample = mgrs.ToString(Format, new CoordinateMGRSFormatter());
                    break;
                case CoordinateType.USNG:
                    var usng = new CoordinateUSNG();

                    if(ctdict.ContainsKey(type))
                    {
                        CoordinateUSNG.TryParse(ctdict[type], out usng);
                    }

                    Sample = usng.ToString(Format, new CoordinateMGRSFormatter());
                    break;
                case CoordinateType.UTM:
                    var utm = new CoordinateUTM();

                    if(ctdict.ContainsKey(type))
                    {
                        CoordinateUTM.TryParse(ctdict[type], out utm);
                    }

                    Sample = utm.ToString(Format, new CoordinateUTMFormatter());
                    break;
                default:
                    break;
            }

            RaisePropertyChanged(() => Sample);
        }