Why is .NET exception not caught by try/catch block?

Question

I\'m working on a project using the ANTLR parser library for C#. I\'ve built a grammar to parse some text and it works well. However, when the parser comes across an illeg

Answer 1

Oh and in reference to what Kibbee said; if you select Debug|Exceptions in VS and just click all the boxes in the 'thrown' column it should pick everything up AFAIK as a 'first chance exception', i.e. VS will indicate when the exception is about to be processed by everything else and break on the relevant code. This should help with debugging.