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<blockquote data-quote="davidf" data-source="post: 1047660" data-attributes="member: 19484">mm - good problem <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />Started reading the code this evening and it appears that there is no way of causing an error on that line of code...&nbsp; Wish I had a TV card with me (I'm working away from home), as it looks like an interesting problem.&nbsp; There seem to be a few ways of causing an exception there - but none that I can see are unmanaged so the outer try should catch it...Might be worth trying this:[CODE]catch(SEHException sehException){&nbsp; //Get the error code&nbsp; int errcode = sehException.ErrorCode; &nbsp; Log(errcode); //bet money it says E_FAIL :)}catch(Exception otherException){&nbsp; //other exceptions can be trapped and get exception details&nbsp; Exception excep = otherException.InnerException;}catch{&nbsp; Log... //gods knows what to log as this exception is not marshallable and could be anything, and there is no way of telling what it is and where it came from}[/CODE]There's also a few things which won't get caught by those three: out of memory or stack overflow.&nbsp; Although if the extra catches do something you know that you can get a debugger on it.</blockquote>

[QUOTE="davidf, post: 1047660, member: 19484"] mm - good problem :) Started reading the code this evening and it appears that there is no way of causing an error on that line of code... Wish I had a TV card with me (I'm working away from home), as it looks like an interesting problem. There seem to be a few ways of causing an exception there - but none that I can see are unmanaged so the outer try should catch it... Might be worth trying this: [CODE] catch(SEHException sehException) { //Get the error code int errcode = sehException.ErrorCode; Log(errcode); //bet money it says E_FAIL :) } catch(Exception otherException) { //other exceptions can be trapped and get exception details Exception excep = otherException.InnerException; } catch { Log... //gods knows what to log as this exception is not marshallable and could be anything, and there is no way of telling what it is and where it came from } [/CODE] There's also a few things which won't get caught by those three: out of memory or stack overflow. Although if the extra catches do something you know that you can get a debugger on it. [/QUOTE]

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