diff --git a/Project/Sources/Classes/_EDITOR_Controller.4dm b/Project/Sources/Classes/_EDITOR_Controller.4dm
index c0c10c4..665a489 100644
--- a/Project/Sources/Classes/_EDITOR_Controller.4dm
+++ b/Project/Sources/Classes/_EDITOR_Controller.4dm
@@ -22,6 +22,7 @@ property stringSplitter; lockButton : cs:C1710.button
 property detail; searchPicker : cs:C1710.subform
 property fileList; stringList : cs:C1710.listbox
 property strings; locked; withFile : cs:C1710.group
+property spinner : cs:C1710.stepper
 
 // MARK: Constants 🔐
 property FILE_EXTENSION:=".xlf"
@@ -39,6 +40,8 @@ property default; main; resources : Object
 
 property groupPtr; resnamePtr; contentPtr : Pointer
 
+property stringListConstraints : cs:C1710.constraints
+
 Class constructor($mainLanguage : Text)
 	
 	// MARK:Delegates 📦
@@ -149,6 +152,23 @@ Function init()
 	// MARK: Search Picker
 	This:C1470.searchPicker:=This:C1470.form.Subform("searchPicker"; {}; This:C1470)
 	
+	This:C1470.spinner:=This:C1470.form.Stepper("spinner")
+	
+	// MARK: Constraints
+	This:C1470.stringListConstraints:=This:C1470.form.constraints
+	
+	This:C1470.stringListConstraints.add({\
+		target: "spinner"; \
+		type: "horizontal-alignment"; \
+		alignment: "center"; \
+		reference: "stringList"})
+	
+	This:C1470.stringListConstraints.add({\
+		target: "wrap"; \
+		type: "horizontal-alignment"; \
+		alignment: "center"; \
+		reference: "stringList"})
+	
 	// === === === === === === === === === === === === === === === === === === === === === === === ===
 Function handleEvents($e : cs:C1710.evt)
 	
@@ -206,51 +226,61 @@ Function handleEvents($e : cs:C1710.evt)
 				//______________________________________________________
 		End case 
 		
-	Else 
+		return 
 		
-		// MARK: Widget Methods
-		Case of 
-				
-				//==============================================
-			: (This:C1470.fileList.catch($e))
-				
-				This:C1470._fileListManager($e)
-				
-				//==============================================
-			: (This:C1470.stringList.catch($e))
-				
-				This:C1470._stringListManager($e)
-				
-				//==============================================
-			: (This:C1470.newFile.catch($e))
-				
-				This:C1470.newFileManager()
-				
-				//==============================================
-			: (This:C1470.newGroup.catch($e))
-				
-				This:C1470.newGroupManager()
-				
-				//==============================================
-			: (This:C1470.newString.catch($e))
-				
-				This:C1470.newStringManager()
-				
-				//==============================================
-			: (This:C1470.lockButton.catch($e))
-				
-				This:C1470.deDuplicateIDs()
-				
-				//==============================================
-			: (This:C1470.stringSplitter.catch($e))
-				
-				This:C1470.strings.center(True:C214)
-				This:C1470.locked.center(True:C214)
-				
-				//==============================================
-		End case 
 	End if 
 	
+	If ($e.objectName="stringSplitter")
+		
+		This:C1470.stringListConstraints.apply()
+		
+		return 
+		
+	End if 
+	
+	// MARK: Widget Methods
+	Case of 
+			
+			//==============================================
+		: (This:C1470.fileList.catch($e))
+			
+			This:C1470._fileListManager($e)
+			
+			//==============================================
+		: (This:C1470.stringList.catch($e))
+			
+			This:C1470._stringListManager($e)
+			
+			//==============================================
+		: (This:C1470.newFile.catch($e))
+			
+			This:C1470.newFileManager()
+			
+			//==============================================
+		: (This:C1470.newGroup.catch($e))
+			
+			This:C1470.newGroupManager()
+			
+			//==============================================
+		: (This:C1470.newString.catch($e))
+			
+			This:C1470.newStringManager()
+			
+			//==============================================
+		: (This:C1470.lockButton.catch($e))
+			
+			This:C1470.deDuplicateIDs()
+			
+			//==============================================
+		: (This:C1470.stringSplitter.catch($e))
+			
+			This:C1470.strings.center(True:C214)
+			This:C1470.locked.center(True:C214)
+			
+			//==============================================
+	End case 
+	
+	
 	// === === === === === === === === === === === === === === === === === === === === === === === ===
 Function onLoad()
 	
@@ -288,13 +318,13 @@ Function onLoad()
 		borderColor: 0x00C0C0C0\
 		}
 	
+	This:C1470.spinner.start(True:C214)
+	
 	This:C1470.form.refresh()
 	
 	// === === === === === === === === === === === === === === === === === === === === === === === ===
 Function update()
 	
-	var $c : Collection
-	
 	If (This:C1470.fileList.item=Null:C1517) && (This:C1470.fileList.rowsNumber>0)
 		
 		// Select last used file
@@ -303,7 +333,7 @@ Function update()
 		If ($o#Null:C1517)\
 			 && (Length:C16(String:C10($o.file))>0)
 			
-			$c:=Form:C1466.files.indices("name = :1"; $o.file)
+			var $c : Collection:=Form:C1466.files.indices("name = :1"; $o.file)
 			
 		End if 
 		
@@ -311,7 +341,7 @@ Function update()
 		
 	End if 
 	
-	var $isWritable : Boolean:=Not:C34(Bool:C1537(This:C1470.current.duplicateID))
+	var $isWritable:=Not:C34(Bool:C1537(This:C1470.current.duplicateID))
 	
 	This:C1470.strings.show(This:C1470.current.error=Null:C1517)
 	This:C1470.newString.enable((This:C1470.stringList.item#Null:C1517) & $isWritable)
@@ -465,6 +495,8 @@ Function _fileListManager($e : cs:C1710.evt)
 			//______________________________________________________
 		: ($e.code=On Selection Change:K2:29)
 			
+			This:C1470.spinner.start(True:C214)
+			
 			This:C1470.stringList.unselect()
 			This:C1470.stringList.item:=Null:C1517
 			
@@ -1781,6 +1813,8 @@ Function _LOAD_STRINGS()
 	// Reset resname color
 	This:C1470.stringList.resetForegroundColor(2)
 	
+	This:C1470.spinner.stop(True:C214)
+	
 	This:C1470.locked.show($main.duplicateID)
 	This:C1470.form.refresh()
 	
diff --git a/Project/Sources/Forms/EDITOR/form.4DForm b/Project/Sources/Forms/EDITOR/form.4DForm
index 7c72696..08174fb 100755
--- a/Project/Sources/Forms/EDITOR/form.4DForm
+++ b/Project/Sources/Forms/EDITOR/form.4DForm
@@ -429,15 +429,6 @@
 					"class": "dev",
 					"style": "flat"
 				},
-				"wait": {
-					"type": "picture",
-					"top": 170,
-					"left": 186,
-					"width": 128,
-					"height": 128,
-					"picture": "/RESOURCES/Images/wait.gif",
-					"visibility": "hidden"
-				},
 				"searchPicker": {
 					"type": "subform",
 					"left": 597,
@@ -452,6 +443,14 @@
 					"dataSourceTypeHint": "undefined",
 					"sizingX": "move",
 					"method": "subformWidgetMethod"
+				},
+				"spinner": {
+					"type": "spinner",
+					"left": 245,
+					"top": 105,
+					"width": 32,
+					"height": 32,
+					"visibility": "hidden"
 				}
 			},
 			"entryOrder": [
@@ -486,15 +485,6 @@
 					"lockMessage",
 					"lockButton"
 				]
-			},
-			"wait": {
-				"visible": false,
-				"objects": [
-					"wait"
-				]
-			},
-			"widget": {
-				"visible": false
 			}
 		}
 	},
@@ -502,7 +492,7 @@
 		"version": "1",
 		"kind": "form"
 	},
-	"geometryStamp": 943,
+	"geometryStamp": 982,
 	"method": "formMethod",
 	"memorizeGeometry": true
 }
\ No newline at end of file