The problem wasn't with VB. I had inadvertantly set the .DataFormat property for a couple of textboxes to "General". This caused a reference to the aforementioned .dll to be included in the project. But the .dll wasn't included in the distribution. Ergo, the "class not registered" error. At any rate, everything is working fine now.
Now, as for the damn VB... go C++ remark, let's not even go there! Suffice to say that had I written this app in C++, I'd still be working on the first release. As you said, development time is much faster. I use the tools appropriate for the job. To wit, if I were writing device drivers, I certainly wouldn't use VB.
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