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THE POST BELOW IS MORE THAN 5 YEARS OLD. RELATED SUPPORT INFORMATION MIGHT BE OUTDATED OR DEPRECATED
On 18/01/2006 at 14:40, xxxxxxxx wrote:
User Information: Cinema 4D Version: 9.1&9.5 Platform: Windows ; Mac OSX ; Language(s) : C.O.F.F.E.E ;
--------- Hi. I'm trying to figure out how to get a missing UserData slider on a tag to be detected as missing. If it is missing I would like to make the script to bypass it instead of the Console reporting: "parameter access failed".
This is all using a COFFEE expression plugin Tag. The tag have 25 UserData faders.
Opening an olders version, with only 24 UserData faders I do get the "parameter access failed" message.
So basically for backwards compability reasons I'd like to make this possible. The problem I have is to find the correct version of:
if (MyTag->GetUserDataObject() != TRUE) do this; else do that;
Cheers Lennart
On 25/01/2006 at 04:39, xxxxxxxx wrote:
I don't think there's a way to know what parameters are avaiable. But you can use a try-catch block to catch the error:
main(doc,op) { println("Before"); try { println(op#ID_USERDATA:3); } catch(ExLastException) { println("Error"); } println("After"); }
On 25/01/2006 at 13:52, xxxxxxxx wrote:
Yes! Thank you very much. Works like a charm and will save loads of work loading older scenes.