How to get original Entity from ChangeTracker

Question

Is there a way to get the original Entity itself from the ChangeTracker (rather than just the original values)?

If the State is Modified<

Answer 1

Nice. Here is a slightly modified version that will handle complex properties:

public static TEntity GetOriginal(this DbContext ctx, TEntity updatedEntity) where TEntity : class
    {
        Func getOriginal = null;
        getOriginal = (originalValues, type) =>
             {
                 object original = Activator.CreateInstance(type, true);
                 foreach (var ptyName in originalValues.PropertyNames)
                 {
                     var property = type.GetProperty(ptyName);
                     object value = originalValues[ptyName];
                     if (value is DbPropertyValues) //nested complex object
                     {
                         property.SetValue(original, getOriginal(value as DbPropertyValues, property.PropertyType));
                     }
                     else
                     {
                         property.SetValue(original, value);
                     }
                 }
                 return original;
             };
        return (TEntity)getOriginal(ctx.Entry(updatedEntity).OriginalValues, typeof(TEntity));
    }