diff --git a/app/DD_PM_WINDREAM/ClassFinalIndex.vb b/app/DD_PM_WINDREAM/ClassFinalIndex.vb
index eb0cb3f..3fc0f9e 100644
--- a/app/DD_PM_WINDREAM/ClassFinalIndex.vb
+++ b/app/DD_PM_WINDREAM/ClassFinalIndex.vb
@@ -46,12 +46,6 @@
             End If
 
             Return value
-
-            'If isVector Then
-            '    Return $"{PREFIX_VECTOR}{value}"
-            'Else
-            '    Return value
-            'End If
         Catch ex As Exception
             LOGGER.Error(ex)
             MsgBox($"Error in GetValue: {ex.Message}", MsgBoxStyle.Critical)
diff --git a/app/DD_PM_WINDREAM/ClassVectorBehaviourListConverter.vb b/app/DD_PM_WINDREAM/ClassVectorBehaviourListConverter.vb
new file mode 100644
index 0000000..7bb0430
--- /dev/null
+++ b/app/DD_PM_WINDREAM/ClassVectorBehaviourListConverter.vb
@@ -0,0 +1,23 @@
+Imports System.ComponentModel
+Imports System.Globalization
+
+Public Class ClassVectorBehaviourListConverter
+    Inherits TypeConverter
+
+    Public Overrides Function GetStandardValuesSupported(context As ITypeDescriptorContext) As Boolean
+        Return True
+    End Function
+
+    Public Overrides Function GetStandardValues(context As ITypeDescriptorContext) As StandardValuesCollection
+        Dim oBehaviourList = DirectCast(context.Instance, FinalIndexProperties).VectorBehaviourType
+        Return New StandardValuesCollection(oBehaviourList)
+    End Function
+
+    Public Overrides Function ConvertTo(context As ITypeDescriptorContext, culture As CultureInfo, value As Object, destinationType As Type) As Object
+        If IsNothing(value) Then
+            Return ""
+        Else
+            Return value.ToString()
+        End If
+    End Function
+End Class
diff --git a/app/DD_PM_WINDREAM/DD_PM_WINDREAM.vbproj b/app/DD_PM_WINDREAM/DD_PM_WINDREAM.vbproj
index aaa8a85..59d6ca9 100644
--- a/app/DD_PM_WINDREAM/DD_PM_WINDREAM.vbproj
+++ b/app/DD_PM_WINDREAM/DD_PM_WINDREAM.vbproj
@@ -220,6 +220,7 @@
     <Compile Include="ClassSQLTypeConverter.vb" />
     <Compile Include="ClassSQLValue.vb" />
     <Compile Include="ClassUser.vb" />
+    <Compile Include="ClassVectorBehaviourListConverter.vb" />
     <Compile Include="ClassWorkDoc.vb" />
     <Compile Include="clsPatterns.vb" />
     <Compile Include="clsWMDocGrid.vb" />
diff --git a/app/DD_PM_WINDREAM/ModuleFinalIndexProperties.vb b/app/DD_PM_WINDREAM/ModuleFinalIndexProperties.vb
index 593e2df..6358fdb 100644
--- a/app/DD_PM_WINDREAM/ModuleFinalIndexProperties.vb
+++ b/app/DD_PM_WINDREAM/ModuleFinalIndexProperties.vb
@@ -65,7 +65,8 @@ Module ModuleFinalIndexProperties
 
         <Category("Index")>
         <DisplayName("IndexBehaviour")>
-        <PropertyAttributesProvider("IndexTypeStringProvider")>
+        <TypeConverter(GetType(ClassVectorBehaviourListConverter))>
+        <PropertyAttributesProvider("VectorIndexOnlyProvider")>
         Public Property VectorBehaviour As String
 
         <Category("Index")>
@@ -77,6 +78,8 @@ Module ModuleFinalIndexProperties
         Public Property Indicies As List(Of String)
         <Browsable(False)>
         Public Property IndiciesType As List(Of Integer)
+        <Browsable(False)>
+        Public Property VectorBehaviourType As List(Of String)
 
         Public Sub VectorIndexBooleanProvider(attrs As PropertyAttributes)
             MaybeSetReadOnlyIfNotVectorIndex(attrs)
@@ -107,6 +110,10 @@ Module ModuleFinalIndexProperties
             MaybeSetReadOnlyIfSQLHasNoValue(attrs)
         End Sub
 
+        Public Sub VectorIndexOnlyProvider(attrs As PropertyAttributes)
+            MaybeSetBrowsable(attrs, {ClassFinalIndex.INDEX_TYPE_VECTOR_STRING})
+        End Sub
+
         Public Sub MaybeSetReadOnlyIfSQLHasNoValue(attrs As PropertyAttributes)
             Dim hasSQLValue As Boolean = (SQLCommand.Value <> String.Empty)
 
diff --git a/app/DD_PM_WINDREAM/frmAdministration.resx b/app/DD_PM_WINDREAM/frmAdministration.resx
index 0f56975..7632de4 100644
--- a/app/DD_PM_WINDREAM/frmAdministration.resx
+++ b/app/DD_PM_WINDREAM/frmAdministration.resx
@@ -2812,7 +2812,7 @@ der Wertänderungen nutzen wollen:</value>
     <value>Neu hinzufügen</value>
   </data>
   <data name="BindingNavigatorCountItem1.Size" type="System.Drawing.Size, System.Drawing">
-    <value>127, 24</value>
+    <value>128, 24</value>
   </data>
   <data name="BindingNavigatorCountItem1.Text" xml:space="preserve">
     <value>von {0} finalen Indexen</value>
@@ -2978,7 +2978,7 @@ der Wertänderungen nutzen wollen:</value>
     <value>9, 133</value>
   </data>
   <data name="BindingNavigator1.Size" type="System.Drawing.Size, System.Drawing">
-    <value>798, 27</value>
+    <value>679, 27</value>
   </data>
   <data name="BindingNavigator1.TabIndex" type="System.Int32, mscorlib">
     <value>92</value>
diff --git a/app/DD_PM_WINDREAM/frmAdministration.vb b/app/DD_PM_WINDREAM/frmAdministration.vb
index b836f1d..9a101f9 100644
--- a/app/DD_PM_WINDREAM/frmAdministration.vb
+++ b/app/DD_PM_WINDREAM/frmAdministration.vb
@@ -952,7 +952,7 @@ Public Class frmAdministration
             Dim description As String = NotNull(focusedRow.Item("DESCRIPTION"), "")
             Dim preventDuplicates As Boolean = NotNull(focusedRow.Item("PREVENT_DUPLICATES"), False)
             Dim allowNewValues As Boolean = NotNull(focusedRow.Item("ALLOW_NEW_VALUES"), False)
-            Dim VectorBehaviour As String = NotNull(focusedRow.Item("IF_VEKTOR_BEHAVIOUR"), False)
+            Dim VectorBehaviour As String = NotNull(focusedRow.Item("IF_VEKTOR_BEHAVIOUR"), "Add")
 
 
             CURRENT_INDEX_ID = guid
@@ -1003,6 +1003,10 @@ Public Class frmAdministration
             obj.Indicies = Windream_Indicies
             obj.IndiciesType = Windream_Indicies_Types
             obj.IndexName = index
+            obj.VectorBehaviourType = New List(Of String) From {
+                "Add",
+                "Overwrite"
+            }
 
             If Not index Is Nothing Then
                 Dim indexType As Integer = ClassFinalIndex.GetIndexType(index, Windream_Indicies, Windream_Indicies_Types)
@@ -1168,13 +1172,4 @@ Public Class frmAdministration
             LOGGER.Error(ex)
         End Try
     End Sub
-
-
-    'Private Sub viewFinalIndex_ValidateRow(sender As Object, e As Views.Base.ValidateRowEventArgs) Handles viewFinalIndex.ValidateRow
-    '    Dim rowView As DataRowView = e.Row
-
-    '    If rowView.IsNew Then
-    '        Dim props As FinalIndexProperties = PropertyGrid1.SelectedObject
-    '    End If
-    'End Sub
 End Class
\ No newline at end of file