private void ValidateContent()
{
Warnings.RaiseListChangedEvents = false;
Warnings.Clear();
if (string.IsNullOrEmpty(Original) || string.IsNullOrEmpty(Result))
{
Warnings.Add(new Warning("No content", WarningLevel.Error));
}
else
{
contentValidators.ForEach(c => { c.Validate(Original, Result).ForEach(Warnings.Add); });
}
Warnings.RaiseListChangedEvents = true;
Warnings.ResetBindings();
}