Tab Key not working in Form View

Hi,

I have an application where I can have multiple windows open - each of these is an SDI window with a view
derived from CDialogImpl.  I am not getting the Tab key to work properly in these windows - when I try to tab
from one control to another, I just get a 'ding' & the cursor stays in the current control.   I do have
PreTranslateMessage in the FrameWindow which calls the PreTranslateMessage in the view which returns IsDialogMessage.

What am I doing wrong?

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