jj add select only combobox option

app/DD-Record-Organiser/ClassControlProperties.vb

@@ -348,6 +348,18 @@ Module ClassControlProperties
         Private _master_data_id As Integer
         Private _static_list As String
         Private _format As EnumFormatOptions
+        Private _select_only As Boolean
+
+        <LocalizedCategoryAttribute("category_other")>
+        <LocalizedDescriptionAttribute("desc_select_only")>
+        Public Property IsSelectOnly() As Boolean
+            Get
+                Return _select_only
+            End Get
+            Set(value As Boolean)
+                _select_only = value
+            End Set
+        End Property
 
         <LocalizedCategoryAttribute("category_view")>
         <LocalizedDescriptionAttribute("desc_format")>