         collectionView.isScrollEnabled = false
         collectionView.delegate = self
         collectionView.dataSource = self
+        collectionView.registerHeader(header:VSearchContentHeader.self)
         collectionView.registerFooter(footer:VSearchContentFooter.self)
         collectionView.registerCell(cell:VSearchContentCellDefinition.self)
         self.collectionView = collectionView

    func collectionView(_ collectionView:UICollectionView, viewForSupplementaryElementOfKind kind:String, at indexPath:IndexPath) -> UICollectionReusableView
    {
        let reusable:UICollectionReusableView
        let footer:VSearchContentFooter = collectionView.dequeueReusableSupplementaryView(
            ofKind:kind,
            withReuseIdentifier:
            VSearchContentFooter.reusableIdentifier,
            for:indexPath) as! VSearchContentFooter
        footer.config(controller:controller)
        reusable = footer
        
        return reusable
    }

    {
        let width:CGFloat = bounds.maxX
        let height:CGFloat = bounds.maxY
        let usableHeight:CGFloat = height - (kModeHeight + kHeaderHeight)
        let size:CGSize = CGSize(
            width:width,
            height:usableHeight)
        
        return size
    }
    
    func collectionView(_ collectionView:UICollectionView, layout collectionViewLayout:UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize
    {
        let height:CGFloat
        
        if controller.modelEntry == nil
        {
            height = 0
        }
        else
        {
            height = kHeaderHeight
        }
        
        let size:CGSize = CGSize(width:0, height:height)
        
        return size
    }
