Unanswered: Bizarre option group
In a form where I capture key strokes, I have seen a consistent problem. The user can make a change to a group only once (meaning the first time the group gets the focus).
Among the dozens of option groups there are, a couple groups allow the user to select one button with the mouse when the group first gets the focus. But after the first selection the mouse cannot be used to choose any other button. The arrows cannot be used to select another button. However, if the user clicks away to another control and then returns to the control by clicking on the previously 'locked' option button and it can be selected. In summary, the option buttons in the group can only be changed when the control is getting the focus.
Details about the bad option groups...
same group properties as other groups
same button properties as other buttons
same field properties as other fields (data source)
No hidden buttons or layered controls
no control events like 'on focus'
the problem is limited to some groups/ not all.
the problem is reproduceable.
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