First Chance Exceptions
in [VB.NET]
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From: Dennis on 8 Jul 2008 23:59 Is there any way to find out what is causing a "First Chance Exception"? Also, is there anyway to turn them off....I'm getting hundreds but all seems to run OK. I"m using VB 2008 Express Edition. -- Dennis in Houston
From: Peter Macej on 9 Jul 2008 03:17 http://www.helixoft.com/blog/archives/24 -- Peter Macej Helixoft - http://www.helixoft.com VSdocman - Commenter and generator of class documentation for C#, VB ..NET and ASP .NET code
From: Dennis on 9 Jul 2008 14:21 Thanks but I tried that but it didn't work...note that I have VB 2008, not VB 2005. I did find that my project that I converted to VB 2008 did have some sub-projects thad don't get converted when the main project is converted. I converted all of my projects to VB 2008 and now I don't get any exceptions. Thanks again. -- Dennis in Houston "Peter Macej" wrote: > http://www.helixoft.com/blog/archives/24 > > -- > Peter Macej > Helixoft - http://www.helixoft.com > VSdocman - Commenter and generator of class documentation for C#, VB > ..NET and ASP .NET code >
From: Phill W. on 11 Jul 2008 07:40 Dennis wrote: > Is there any way to find out what is causing a "First Chance Exception"? Odd though it may seem, Exceptions are actually "thrown" /twice/: The first "throw" is the run-time walking the call-stack in search of a suitable "Catch" block to deal with the Exception. The second is what /we/ would call "throwing" the Exception, executing all the intermediate Finally blocks before resuming at the start of the selected Catch block. That first pass is a "First Chance" Exception; it's an Exception in search of a Catch block to handle it but not yet "really" thrown. > Also, is there anyway to turn them off... Not AFAIK. > I'm getting hundreds but all seems to run OK. This is perfectly normal where Exceptions are being thrown and properly caught. HTH, Phill W.
From: Dennis on 11 Jul 2008 14:36
Thanks for you clairication on this topic and confirmation of what I suspected in that there is no way to turn them off. When I converted all the sub-projects included in my main project to VB 2008 from VB2005, I dont' seem to get any more "first chance" exceptions. -- Dennis in Houston "Phill W." wrote: > Dennis wrote: > > > Is there any way to find out what is causing a "First Chance Exception"? > > Odd though it may seem, Exceptions are actually "thrown" /twice/: > The first "throw" is the run-time walking the call-stack in search of a > suitable "Catch" block to deal with the Exception. > The second is what /we/ would call "throwing" the Exception, executing > all the intermediate Finally blocks before resuming at the start of the > selected Catch block. > > That first pass is a "First Chance" Exception; it's an Exception in > search of a Catch block to handle it but not yet "really" thrown. > > > Also, is there anyway to turn them off... > > Not AFAIK. > > > I'm getting hundreds but all seems to run OK. > > This is perfectly normal where Exceptions are being thrown and properly > caught. > > HTH, > Phill W. > |