vb.net - While I'm debugging and clicked a button then "InvalidCastException was unhandled" is going to popup -


my code doesn't have error, when try click button happens. can guys guess what's error?

look @ photo

enter image description here

you should swap second , third argument call msgbox.
error occurs second argument should msgboxstyle, you're providing string ('ilist').

take @ documention on msdn more information.


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