HitTestPreview LabelGlyphHandle::Preview
(const TrackPanelMouseState &, const AudacityProject *)
{
   return HitPreview( (mHit.mEdge & 4 )!=0);
}
HitTestPreview TrackPanelResizeHandle::Preview
(const TrackPanelMouseState &, const AudacityProject *)
{
   return HitPreview(mMode == IsResizingBetweenLinkedTracks);
}