public override void WriteActualValueTo(NUnitCtr.MessageWriter writer)
{
if (invalidMembers.Count == 1)
writer.WriteMessageLine(string.Format("The element <{0}> doesn't validate this pattern", invalidMembers[0]));
else
{
writer.WriteMessageLine(string.Format("{0} elements don't validate this pattern:", invalidMembers.Count));
foreach (var invalidMember in invalidMembers)
writer.WriteMessageLine(string.Format(" <{0}>", invalidMember));
}
}