private IValidationErrors GetErrors(IValidationErrors result, RowPresenter rowPresenter, IDataValidationErrors messages, IColumns columns, bool ensureVisible)
{
Debug.Assert(messages != null);
for (int i = 0; i < messages.Count; i++)
{
var message = messages[i];
if (ensureVisible && !IsVisible(rowPresenter, message.Source))
{
continue;
}
if (columns == null || columns.IsSupersetOf(message.Source))
{
result = result.Add(message);
}
}
return(result);
}
internal AsyncValidationFault GetFault(IColumns container)
{
return(Fault != null && (container == null || container.IsSupersetOf(SourceColumns)) ? Fault : null);
}