public void Add <TEntity, TProp>(PropertyInfo propertyInfo, Func <TEntity, string> displayName, Func <TEntity, TProp, string> formatter, IEqualityComparer <TProp> comparer)
where TEntity : class
{
if (displayName == null)
{
displayName = e => propertyInfo.Name;
}
if (formatter == null)
{
formatter = (e, p) => p == null ? null : p.ToString();
}
if (comparer == null)
{
comparer = EqualityComparer <TProp> .Default;
}
var property = new PropertyConfiguration <TProp>(
propertyInfo,
o => displayName(o as TEntity),
(o, p) => formatter(o as TEntity, p),
comparer);
properties[propertyInfo] = property;
}
public PropertyChange(PropertyConfiguration <TProp> configuration, SnapshotValue original, SnapshotValue updated)
{
this.configuration = configuration;
this.original = original;
this.updated = updated;
}