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public enum DestUnit
                {
                    feet,
                    kilometer,
                    centimeter,
                    millimeter,
                    inch,
                    yard,
                    mile
                }                
                public static double MeterTo(double Meters, DestUnit ToWhat)
                {
                    //the number of feet in a meter
                    const double FeetPerMeter = 3.2808398950131233595800524934383;
                    switch (ToWhat)
                    {
                        case DestUnit.feet:
                            return Meters * FeetPerMeter;
                        case DestUnit.inch:
                            return (Meters * FeetPerMeter) * 12;
                        case DestUnit.yard:
                            return (Meters * FeetPerMeter) / 3;
                        case DestUnit.mile:
                            return (Meters * FeetPerMeter) / 5280;
                            //The metric units are easy to convert to
                        case DestUnit.centimeter:
                            return Meters * 100;
                        case DestUnit.millimeter:
                            return Meters * 1000;
                        case DestUnit.kilometer:
                            return Meters / 1000;
                        default:
                            //so all code paths return something
                            return 0;
                    }
                }