public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
var targetType = typeof(TTo);
if (value == null)
{
return(RuntimeUtils.CreateDefaultValue(targetType));
}
var sourceType = value.GetType();
return(PrimitiveConverterFactory.GetConverter(sourceType, targetType).Convert(value));
}
private static DelegateConverter CreateXamlIValueConverter <TInput, TOutput>()
{
var directConverter = PrimitiveConverterFactory.GetConverter <TInput, TOutput>();
var reverseConverter = PrimitiveConverterFactory.GetConverter <TOutput, TInput>();
if (directConverter == null || reverseConverter == null)
{
throw new Exception("Could not find appropriate converter");
}
return(new DelegateConverter((value, type) => SafeConverter(value, type, directConverter),
(value, type) => SafeConverter(value, type, reverseConverter)));
}
public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
{
var primitiveConverter = PrimitiveConverterFactory.GetConverter(sourceType, typeof(TTo));
return(primitiveConverter != null);
}