public override ValidationResult Validate(object value, CultureInfo culture)
{
SourceDataConverter converter = new SourceDataConverter(m_sourceSupportDBNull);
Exception exception;
converter.TryConvertBack(value, m_targetType, CultureInfo.InvariantCulture, culture, out exception);
if (exception != null)
{
return(new ValidationResult(false, exception.Message));
}
return(ValidationResult.ValidResult);
}
internal IValueConverter GetBindingConverter(object sourceItem)
{
if (!this.IsSealed)
{
throw new InvalidOperationException("An attempt was made to apply a binding to a DataGridItemProperty that has not be added to the ItemProperties collection.");
}
if (m_bindingConverter == null)
{
if (m_converter != null)
{
m_bindingConverter = m_converter;
}
else
{
m_bindingConverter = new SourceDataConverter(ItemsSourceHelper.IsItemSupportingDBNull(sourceItem), CultureInfo.InvariantCulture);
}
}
return(m_bindingConverter);
}
