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);
}