Base class for IValue converter that abstracts away .NET and Windows Runtime IValueConverter differences. Inherit from this instead of IValueConverter

BaseValueConverter.cs

using System;
#if NETFX_CORE
using Windows.UI.Xaml.Data;
#else
using System.Windows.Data;
#endif

namespace SampleApp.Common
{
    /// <summary>
    /// Base converter class for handling converter differences between .NET and Windows Runtime
    /// </summary>
    public abstract class BaseValueConverter : IValueConverter
    {
#if NETFX_CORE
	object IValueConverter.Convert(object value, Type targetType, object parameter, string language)
#else
	object IValueConverter.Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
#endif
	{
#if !NETFX_CORE
		string language = culture.TwoLetterISOLanguageName;
#endif
		return Convert(value, targetType, parameter, language);
	}

	protected abstract object Convert(object value, Type targetType, object paramter, string language);

#if NETFX_CORE
	object IValueConverter.ConvertBack(object value, Type targetType, object parameter, string language)
#else
	object IValueConverter.ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
#endif
	{
#if !NETFX_CORE
		string language = culture.TwoLetterISOLanguageName;
#endif
		return ConvertBack(value, targetType, parameter, language);
	}

	protected abstract object ConvertBack(object value, Type targetType, object paramter, string language);
    }
}