Sub Test(x as shell)
dim c as BevelButton
c.Enabled = true
Now build your application.
You will see that the shell plugin code is added to the binary. But the AppearancePack is not included.
So REAL Studio detects, that this method is not needed and marks Bevelbutton for not to be included.
But it forgets to mark shell class here to be not included.
So the application size is bigger than needed.
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