>>>>Hi Sergey,
>>>>
>>>>I still see this "fanky" behavior. E.g. it works two or three times, but then it doesn't. Were you able to simulate it?
>>>>
>>>Adding above code to MouseUp seems to fix it.
>>
>>Not entirely. Try clicking couple of times, you'll see, what I mean. I'll play with other Mouse events, but it's becoming too cumbersome.
>
>As I said, it seems to fix it for me regardless how many times I click on textbox.

It may depend on the mouse and the speed of your clicking... :) I am curious, if anyone else can replicate what I'm seeing. (Of course, if you have few minutes to spare). I'm basically leaning towards forgetting about it.