Returns/sets if MouseOver behavior is enabled.
UIToolX1.MouseOver (ByVal Data As Boolean)
UIToolX1.MouseOver = True
MouseOver (a.k.a. Hot Tracking) will draw a focus box around the control that the mouse is above. See examples below:
UIToolX with Appearance = fwFlat and Style = fwNone:
MouseOver on the TextBox:
MouseOver on the ComboBox: