Add UserConfig Prefix and Config Migration

app/DD_PM_WINDREAM/My Project/Settings.Designer.vb

@@ -297,6 +297,15 @@ Namespace My
                 Return CType(Me("UseAppConfigConString"),Boolean)
             End Get
         End Property
+        
+        <Global.System.Configuration.ApplicationScopedSettingAttribute(),  _
+         Global.System.Diagnostics.DebuggerNonUserCodeAttribute(),  _
+         Global.System.Configuration.DefaultSettingValueAttribute("TEST")>  _
+        Public ReadOnly Property UserConfig_Prefix() As String
+            Get
+                Return CType(Me("UserConfig_Prefix"),String)
+            End Get
+        End Property
     End Class
 End Namespace
 

app/DD_PM_WINDREAM/My Project/Settings.settings

@@ -67,5 +67,8 @@
     <Setting Name="UseAppConfigConString" Type="System.Boolean" Scope="Application">
       <Value Profile="(Default)">True</Value>
     </Setting>
+    <Setting Name="UserConfig_Prefix" Type="System.String" Scope="Application">
+      <Value Profile="(Default)">TEST</Value>
+    </Setting>
   </Settings>
 </SettingsFile>