System.ComponentModel.BaseNumberConverter.ConvertTo C# (CSharp) Method

        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) {
            if (destinationType == null) {
                throw new ArgumentNullException("destinationType");
            }

            if (destinationType == typeof(string) && value != null && TargetType.IsInstanceOfType(value)) {
                
                if (culture == null) {
                    culture = CultureInfo.CurrentCulture;
                }
                NumberFormatInfo formatInfo = (NumberFormatInfo)culture.GetFormat(typeof(NumberFormatInfo));
                return ToString(value, formatInfo);
            }

            if (destinationType.IsPrimitive) {
                return Convert.ChangeType(value, destinationType, culture);
            }
            return base.ConvertTo(context, culture, value, destinationType);
        }