diff --git a/include/vcl/toolkit/treelistbox.hxx b/include/vcl/toolkit/treelistbox.hxx
index 00e6071ac206..7b492d12c821 100644
--- a/include/vcl/toolkit/treelistbox.hxx
+++ b/include/vcl/toolkit/treelistbox.hxx
@@ -220,6 +220,7 @@ class UNLESS_MERGELIBS_MORE(VCL_DLLPUBLIC) SvTreeListBox : public Control,
     Link<SvTreeListBox*, bool> m_aExpandingHdl;
     Link<SvTreeListBox*, void> m_aSelectHdl;
     Link<SvTreeListBox*, void> m_aDeselectHdl;
+    Link<SvTreeListBox*, void> m_aModelChangedHdl;
     Link<SvTreeListEntry&, OUString> m_aTooltipHdl;
     Link<svtree_render_args, void> m_aCustomRenderHdl;
     Link<svtree_measure_args, Size> m_aCustomMeasureHdl;
@@ -502,6 +503,7 @@ public:
     }
     void SetExpandingHdl(const Link<SvTreeListBox*, bool>& rNewHdl) { m_aExpandingHdl = rNewHdl; }
     void SetExpandedHdl(const Link<SvTreeListBox*, void>& rNewHdl) { m_aExpandedHdl = rNewHdl; }
+    void SetModelChangedHdl(const Link<SvTreeListBox*, void>& rLink) { m_aModelChangedHdl = rLink; }
     void SetTooltipHdl(const Link<SvTreeListEntry&, OUString>& rLink) { m_aTooltipHdl = rLink; }
     void SetCustomRenderHdl(const Link<svtree_render_args, void>& rLink)
     {
@@ -517,6 +519,7 @@ public:
     void            SelectHdl();
     void            DeselectHdl();
     bool            DoubleClickHdl();
+    void ModelChangedHdl();
     SvTreeListEntry* GetHdlEntry() const { return m_pHdlEntry; }
 
     // Is called for an Entry that gets expanded with the Flag
@@ -677,13 +680,13 @@ public:
     virtual void    LoseFocus() override;
     void            SetUpdateMode( bool );
 
-    virtual void ModelHasCleared();
-    virtual void ModelHasInserted(SvTreeListEntry* pEntry);
-    virtual void ModelHasInsertedTree(SvTreeListEntry* pEntry);
-    virtual void ModelIsMoving(SvTreeListEntry* pSource);
-    virtual void ModelHasMoved(SvTreeListEntry* pSource);
-    virtual void ModelIsRemoving(SvTreeListEntry* pEntry);
-    virtual void ModelHasRemoved(SvTreeListEntry* pEntry);
+    void ModelHasCleared();
+    void ModelHasInserted(SvTreeListEntry* pEntry);
+    void ModelHasInsertedTree(SvTreeListEntry* pEntry);
+    void ModelIsMoving(SvTreeListEntry* pSource);
+    void ModelHasMoved(SvTreeListEntry* pSource);
+    void ModelIsRemoving(SvTreeListEntry* pEntry);
+    void ModelHasRemoved(SvTreeListEntry* pEntry);
     void ModelHasEntryInvalidated(SvTreeListEntry* pEntry);
 
     void            ScrollOutputArea( short nDeltaEntries );
diff --git a/vcl/inc/treeglue.hxx b/vcl/inc/treeglue.hxx
index 8c584ef42791..cbfcabd4838d 100644
--- a/vcl/inc/treeglue.hxx
+++ b/vcl/inc/treeglue.hxx
@@ -12,7 +12,6 @@
 
 class LclTabListBox final : public SvTabListBox
 {
-    Link<SvTreeListBox*, void> m_aModelChangedHdl;
     Link<SvTreeListBox*, bool> m_aStartDragHdl;
     Link<SvTreeListBox*, void> m_aEndDragHdl;
 
@@ -22,7 +21,6 @@ public:
     {
     }
 
-    void SetModelChangedHdl(const Link<SvTreeListBox*, void>& rLink) { m_aModelChangedHdl = rLink; }
     void SetStartDragHdl(const Link<SvTreeListBox*, bool>& rLink) { m_aStartDragHdl = rLink; }
     void SetEndDragHdl(const Link<SvTreeListBox*, void>& rLink) { m_aEndDragHdl = rLink; }
 
@@ -39,36 +37,6 @@ public:
         m_aEndDragHdl.Call(this);
     }
 
-    virtual void ModelHasCleared() override
-    {
-        SvTabListBox::ModelHasCleared();
-        m_aModelChangedHdl.Call(this);
-    }
-
-    virtual void ModelHasInserted(SvTreeListEntry* pEntry) override
-    {
-        SvTabListBox::ModelHasInserted(pEntry);
-        m_aModelChangedHdl.Call(this);
-    }
-
-    virtual void ModelHasInsertedTree(SvTreeListEntry* pEntry) override
-    {
-        SvTabListBox::ModelHasInsertedTree(pEntry);
-        m_aModelChangedHdl.Call(this);
-    }
-
-    virtual void ModelHasMoved(SvTreeListEntry* pSource) override
-    {
-        SvTabListBox::ModelHasMoved(pSource);
-        m_aModelChangedHdl.Call(this);
-    }
-
-    virtual void ModelHasRemoved(SvTreeListEntry* pEntry) override
-    {
-        SvTabListBox::ModelHasRemoved(pEntry);
-        m_aModelChangedHdl.Call(this);
-    }
-
     SvTreeListEntry* GetTargetAtPoint(const Point& rPos, bool bHighLightTarget, bool bScroll = true)
     {
         SvTreeListEntry* pOldTargetEntry = m_pTargetEntry;
diff --git a/vcl/source/treelist/treelistbox.cxx b/vcl/source/treelist/treelistbox.cxx
index 6d45f0a8ea8f..71713870fde1 100644
--- a/vcl/source/treelist/treelistbox.cxx
+++ b/vcl/source/treelist/treelistbox.cxx
@@ -502,6 +502,8 @@ bool SvTreeListBox::DoubleClickHdl()
     return !m_aDoubleClickHdl.IsSet() || m_aDoubleClickHdl.Call(this);
 }
 
+void SvTreeListBox::ModelChangedHdl() { m_aModelChangedHdl.Call(this); }
+
 bool SvTreeListBox::CheckDragAndDropMode( SvTreeListBox const * pSource, sal_Int8 nAction )
 {
     if ( pSource != this )
@@ -2166,6 +2168,8 @@ void SvTreeListBox::ModelHasCleared()
     AdjustEntryHeight();
     AdjustEntryHeight( GetDefaultExpandedEntryBmp() );
     AdjustEntryHeight( GetDefaultCollapsedEntryBmp() );
+
+    ModelChangedHdl();
 }
 
 bool SvTreeListBox::PosOverBody(const Point& rPos) const
@@ -2416,12 +2420,16 @@ void SvTreeListBox::ModelHasInsertedTree( SvTreeListEntry* pEntry )
         pTmp = Next( pTmp );
     } while (pTmp && nRefDepth < m_pModel->GetDepth(pTmp));
     m_pImpl->TreeInserted(pEntry);
+
+    ModelChangedHdl();
 }
 
 void SvTreeListBox::ModelHasInserted( SvTreeListEntry* pEntry )
 {
     ImpEntryInserted( pEntry );
     m_pImpl->EntryInserted(pEntry);
+
+    ModelChangedHdl();
 }
 
 void SvTreeListBox::ModelIsMoving(SvTreeListEntry* pSource )
@@ -2432,6 +2440,8 @@ void SvTreeListBox::ModelIsMoving(SvTreeListEntry* pSource )
 void SvTreeListBox::ModelHasMoved( SvTreeListEntry* pSource )
 {
     m_pImpl->EntryMoved(pSource);
+
+    ModelChangedHdl();
 }
 
 void SvTreeListBox::ModelIsRemoving( SvTreeListEntry* pEntry )
@@ -2454,6 +2464,8 @@ void SvTreeListBox::ModelHasRemoved( SvTreeListEntry* pEntry  )
         m_pTargetEntry = nullptr;
 
     m_pImpl->EntryRemoved();
+
+    ModelChangedHdl();
 }
 
 void SvTreeListBox::SetCollapsedNodeBmp( const Image& rBmp)