public override bool CanGetDMS(int srFactoryCode, out string coord)
 {
     coord = string.Empty;
     if (base.CanGetDMS(srFactoryCode, out coord))
     {
         return true;
     }
     else
     {
         if (base.CanGetDD(srFactoryCode, out coord))
         {
             // convert dd to ddm
             CoordinateDD dd;
             if (CoordinateDD.TryParse(coord, out dd))
             {
                 var dms = new CoordinateDMS(dd);
                 coord = dms.ToString("", new CoordinateDMSFormatter());
                 return true;
             }
         }
     }
     return false;
 }
        public void FormatterDMS()
        {
            var coord = new CoordinateDMS(40, 16, 22.9728, -78, 50, 50.7372);
            var temp = coord.ToString("", new CoordinateDMSFormatter());
            Assert.AreEqual(temp, "40°16'23.0\"N 78°50'50.7\"W");

            temp = coord.ToString("A0°B0'C0.0##\"N X0°Y0'Z0.0##\"E", new CoordinateDMSFormatter());
            Assert.AreEqual(temp, "40°16'22.973\"N 78°50'50.737\"W");

            temp = coord.ToString("NA0°B0'C0.0##\" EX0°Y0'Z0.0##\"", new CoordinateDMSFormatter());
            Assert.AreEqual(temp, "N40°16'22.973\" W78°50'50.737\"");
            
            temp = coord.ToString("A0° B0' C0.0##\" N X0° Y0' Z0.0##\" E", new CoordinateDMSFormatter());
            Assert.AreEqual(temp, "40° 16' 22.973\" N 78° 50' 50.737\" W");
            
            temp = coord.ToString("A+-#°B0'C0.0##\" X+-#°Y0'Z0.0##\"", new CoordinateDMSFormatter());
            Assert.AreEqual(temp, "+40°16'22.973\" -78°50'50.737\"");
            
            temp = coord.ToString("A0 B0 C0.0## N X0 Y0 Z0.0## E", new CoordinateDMSFormatter());
            Assert.AreEqual(temp, "40 16 22.973 N 78 50 50.737 W");
            
            temp = coord.ToString("A0°B0'C0.0##\"N, X0°Y0'Z0.0##\"E", new CoordinateDMSFormatter());
            Assert.AreEqual(temp, "40°16'22.973\"N, 78°50'50.737\"W");
        }
        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);
        }