- KMdiChildArea : KMdiChildArea, KMdiChildFrm
- KMdiChildFrm : KMdiChildFrm, KMdiChildView, KMdiChildArea
- KMdiChildFrmCaption : KMdiChildFrmCaption, KMdiChildFrm, KMdiChildArea
- KMdiChildView : KMdiChildView, KMdiMainFrm
- KMdiMainFrm : KMdiMainFrm, KMdiToolViewAccessor, KMdiChildView
- KMDIPrivate::KMDIGUIClient : KMdiToolViewAccessor
- KMdiTaskBar : KMdiTaskBar, KMdiMainFrm
- KMdiToolViewAccessor : KMdiMainFrm