diff --git a/src/Toplo-Examples/ToSandBox.class.st b/src/Toplo-Examples/ToSandBox.class.st
index f75f227e..5dddc8e2 100644
--- a/src/Toplo-Examples/ToSandBox.class.st
+++ b/src/Toplo-Examples/ToSandBox.class.st
@@ -3924,12 +3924,12 @@ ToSandBox class >> example_menuBar0 [
 	menu addItem: (ToMenuItem new labelText: 'item 1').
 	menu addItem: ToSeparatorMenuItem new.
 	sub := ToMenuItem new labelText: 'item 2'.
-	sub disable.
 	menu addItem: sub.
+	sub disable.
 	bar addItem: menu.
 	menu := ToMenuItem new labelText: 'Menu 1'.
 	bar addItem: menu.
-	menu disable.
+	menu disabled: true.
 	bar openInSpace
 ]
 
diff --git a/src/Toplo-Widget-List-Tests/ToBarNodeHolderForTest.class.st b/src/Toplo-Widget-List-Tests/ToBarNodeHolderForTest.class.st
new file mode 100644
index 00000000..ec0bd2d1
--- /dev/null
+++ b/src/Toplo-Widget-List-Tests/ToBarNodeHolderForTest.class.st
@@ -0,0 +1,5 @@
+Class {
+	#name : #ToBarNodeHolderForTest,
+	#superclass : #ToBarNodeHolder,
+	#category : #'Toplo-Widget-List-Tests-ItemList'
+}
diff --git a/src/Toplo-Widget-List-Tests/ToItemElementForTest.class.st b/src/Toplo-Widget-List-Tests/ToItemElementForTest.class.st
new file mode 100644
index 00000000..bfac9451
--- /dev/null
+++ b/src/Toplo-Widget-List-Tests/ToItemElementForTest.class.st
@@ -0,0 +1,25 @@
+Class {
+	#name : #ToItemElementForTest,
+	#superclass : #ToElement,
+	#traits : 'TToItem',
+	#classTraits : 'TToItem classTrait',
+	#instVars : [
+		'label'
+	],
+	#category : #'Toplo-Widget-List-Tests-ItemList'
+}
+
+{ #category : #initialization }
+ToItemElementForTest >> initialize [
+
+	super initialize.
+	label := ToLabel new.
+	self addChild: label.
+	self fitContent
+]
+
+{ #category : #accessing }
+ToItemElementForTest >> text: aText [
+
+	label text: aText
+]
diff --git a/src/Toplo-Widget-List-Tests/ToItemListElementForTest.class.st b/src/Toplo-Widget-List-Tests/ToItemListElementForTest.class.st
new file mode 100644
index 00000000..a1d8cdda
--- /dev/null
+++ b/src/Toplo-Widget-List-Tests/ToItemListElementForTest.class.st
@@ -0,0 +1,11 @@
+Class {
+	#name : #ToItemListElementForTest,
+	#superclass : #ToItemListElement,
+	#category : #'Toplo-Widget-List-Tests-ItemList'
+}
+
+{ #category : #initialization }
+ToItemListElementForTest >> defaultNodeManagerClass [
+
+	^ ToItemNodeManagerForTest
+]
diff --git a/src/Toplo-Widget-List-Tests/ToItemListElementTest.class.st b/src/Toplo-Widget-List-Tests/ToItemListElementTest.class.st
new file mode 100644
index 00000000..dac368e3
--- /dev/null
+++ b/src/Toplo-Widget-List-Tests/ToItemListElementTest.class.st
@@ -0,0 +1,67 @@
+"
+A ToItemListElementTest is a test class for testing the behavior of ToItemListElement
+"
+Class {
+	#name : #ToItemListElementTest,
+	#superclass : #ToParameterizedHostTest,
+	#instVars : [
+		'l'
+	],
+	#category : #'Toplo-Widget-List-Tests-ItemList'
+}
+
+{ #category : #running }
+ToItemListElementTest >> setUp [
+
+	super setUp.
+	l := ToItemListElementForTest new.
+	l vMatchParent.
+	space root addChild: l
+]
+
+{ #category : #tests }
+ToItemListElementTest >> test [
+
+	| n |
+	self assert: l nodes size equals: l dataAccessor size.
+	self assert: (l nodeManager isKindOf: ToItemNodeManagerForTest).
+	l dataAccessor addAll:
+		((1 to: 10) collect: [ :i | ToItemElementForTest new text: i asString ]).
+	n := l nodes first.
+	self assert: (n isKindOf: ToItemNodeForTest).
+	self assert: (n holder isKindOf: ToBarNodeHolderForTest).
+	self assert: (n holder dataItem isKindOf: ToItemElementForTest)
+	
+]
+
+{ #category : #tests }
+ToItemListElementTest >> testDisableItemAfterAdding [
+
+	| n item |
+	self skip.
+	self assert: l nodes size equals: 0.
+	item := ToItemElementForTest new text: 'A'.
+	l dataAccessor add: item.
+	item disable.
+	n := l nodes first.
+	self waitTestingSpaces.
+	self assert: n holder dataItem identicalTo: item.
+	self assert: item isDisabled.
+	self assert: n isDisabled
+]
+
+{ #category : #tests }
+ToItemListElementTest >> testDisableItemBeforeAdding [
+
+	| n item |
+	self skip.
+	self assert: l nodes size equals: 0.
+	item := ToItemElementForTest new text: 'A'.
+	item disable.
+	l dataAccessor add: item.
+	n := l nodes first.
+	self waitTestingSpaces.
+	self assert: n holder dataItem identicalTo: item.
+	self assert: item isDisabled.
+	self assert: n isDisabled
+]
diff --git a/src/Toplo-Widget-List-Tests/ToItemNodeForTest.class.st b/src/Toplo-Widget-List-Tests/ToItemNodeForTest.class.st
new file mode 100644
index 00000000..3c083ca6
--- /dev/null
+++ b/src/Toplo-Widget-List-Tests/ToItemNodeForTest.class.st
@@ -0,0 +1,5 @@
+Class {
+	#name : #ToItemNodeForTest,
+	#superclass : #ToItemNode,
+	#category : #'Toplo-Widget-List-Tests-ItemList'
+}
diff --git a/src/Toplo-Widget-List-Tests/ToItemNodeManagerForTest.class.st b/src/Toplo-Widget-List-Tests/ToItemNodeManagerForTest.class.st
new file mode 100644
index 00000000..2faeaea4
--- /dev/null
+++ b/src/Toplo-Widget-List-Tests/ToItemNodeManagerForTest.class.st
@@ -0,0 +1,23 @@
+Class {
+	#name : #ToItemNodeManagerForTest,
+	#superclass : #ToItemNodeManager,
+	#category : #'Toplo-Widget-List-Tests-ItemList'
+}
+
+{ #category : #initialization }
+ToItemNodeManagerForTest >> defaultFakeDataItem [
+
+	^ ToItemElementForTest new text: 'X'
+]
+
+{ #category : #'instance creation' }
+ToItemNodeManagerForTest >> newHolder [
+
+	^ ToBarNodeHolderForTest new
+]
+
+{ #category : #'instance creation' }
+ToItemNodeManagerForTest >> newNodeForHolder: aNodeHolder [
+
+	^ ToItemNodeForTest new
+]
diff --git a/src/Toplo-Widget-List/ToGenericBarNodeManager.class.st b/src/Toplo-Widget-List/ToGenericBarNodeManager.class.st
index bad58339..5cd2f440 100644
--- a/src/Toplo-Widget-List/ToGenericBarNodeManager.class.st
+++ b/src/Toplo-Widget-List/ToGenericBarNodeManager.class.st
@@ -37,7 +37,7 @@ ToGenericBarNodeManager >> defaultNodeFactory [
 { #category : #initialization }
 ToGenericBarNodeManager >> defaultNodeUnbuilder [
 
-	^ [ :node :dataItem :holder | ]
+	^ [ :node :dataItem :holder | node removeChildren  ]
 ]
 
 { #category : #initialization }
diff --git a/src/Toplo-Widget-List/ToItemBarNodeHolder.class.st b/src/Toplo-Widget-List/ToItemBarNodeHolder.class.st
index 03cef0d9..afe6d61c 100644
--- a/src/Toplo-Widget-List/ToItemBarNodeHolder.class.st
+++ b/src/Toplo-Widget-List/ToItemBarNodeHolder.class.st
@@ -7,7 +7,12 @@ Class {
 { #category : #accessing }
 ToItemBarNodeHolder >> initializeNode [
 
+
 	self dataItem presetDataDo: [ :pd |
-		pd setupItem: dataItem ].
-	super initializeNode 
+		pd setupItem: self dataItem.
+		self disabled: self dataItem isDisabled.
+		self isHidden ifTrue: [ self node height: 0 ].
+		^ self ].
+	super initializeNode
+
 ]
diff --git a/src/Toplo-Widget-List/ToSubSelecter.class.st b/src/Toplo-Widget-List/ToSubSelecter.class.st
index 387022e2..ff4a1d8b 100644
--- a/src/Toplo-Widget-List/ToSubSelecter.class.st
+++ b/src/Toplo-Widget-List/ToSubSelecter.class.st
@@ -7,6 +7,12 @@ Class {
 	#category : #'Toplo-Widget-List-Selection-Selecter'
 }
 
+{ #category : #initialization }
+ToSubSelecter >> defaultCommandApplicationStrategy [
+
+	^ ToImmediateCommandApplicationStrategy new
+]
+
 { #category : #'api - hooks' }
 ToSubSelecter >> onInstalledIn: anEventTarget [
 
diff --git a/src/Toplo/BlElement.extension.st b/src/Toplo/BlElement.extension.st
index 3aaee439..64ac714c 100644
--- a/src/Toplo/BlElement.extension.st
+++ b/src/Toplo/BlElement.extension.st
@@ -466,6 +466,15 @@ BlElement >> parentChainReverseDo: aBlock [
 	self parentChain reverseDo: aBlock
 ]
 
+{ #category : #'*Toplo' }
+BlElement >> presetDataDo: aValuable [
+
+	" do nothing at this level.
+	It redefined for an element that is used as a list data item.
+	This is the case for a menu or a segmented button as examples
+	( see `TToItem` users )"
+]
+
 { #category : #'*Toplo' }
 BlElement >> preventSelectionSkinEvents [