In a .net Exception how to get a stacktrace with argument values

Question

I am trying to add an unhandled exception handler in .net (c#) that should be as helpfull for the \'user\' as possible. The end users are mostly programers so they just need

Answer 1

I don't know a way to obtain the values of the arguments of each function in the call stack trace, but one solution would be to catch the specific exception (KeyNotFoundException in your example) and re-throw it in a new Exception. That allows you associate any additional information you wish

For example:

Dim sKey as String = "some-key"
Dim sValue as String = String.Empty

Try
   sValue = Dictionary(sKey)
Catch KeyEx As KeyNotFoundException
   Throw New KeyNotFoundException("Class.Function() - Couldn't find [" & sKey & "]", KeyEx)
End Try

I appreciate your statement about localising the error strings, but if your audience are 'mostly programmers' then convention already dictates a comprehension of English to some degree (rightly or wrongly - but that's another debate!)