Why doesn't NullReferenceException contain information about what is null?

Question

What was the design decision behind NullReferenceException not containing any runtime specific information except base class data (like a stacktrace)? And is there an extens

Answer 1

If you have debug symbols, you can track down the line that caused the exception. If it's simple enough, you'll be straight getting your null value. Otherwise (think about a.Value = b.Do(c.GetX(),d.GetY(z.ToString()));) you must debug with your IDE