How to localize the context menu items in WinForms TabbedMDIManager?

// Invoking Localizer class provide localization
LocalizationProvider.Provider = new Localizer();
//Localization class
class Localizer:ILocalizationProvider
{
   public string GetLocalizedString(System.Globalization.CultureInfo culture, string name, object obj)
   {
       switch (name)
       {
          case ToolsResourceIdentifiers.NewHorzGroupMenuItemText:
                  return "Customized HorizontalGroup";
          case ToolsResourceIdentifiers.NewVertGroupMenuItemText:
                  return "Customized VerticalGroup";
          case ToolsResourceIdentifiers.CloseMenuItemText:
                  return "Customizd Closemenu";
          case ToolsResourceIdentifiers.MoveNextMenuItemText:
                  return "Customized Next";
          case ToolsResourceIdentifiers.MovePrevMenuItemText:
                  return "Customized Previous";
          case ToolsResourceIdentifiers.CancelMenuItemText:
                  return "Customized Cancel";
          default:
                  return string.Empty;
       }
   }
}

'Invoking Localizer class provide localization
LocalizationProvider.Provider = New Localizer()
'Localization class
Class Localizer
   Implements ILocalizationProvider
   Public Function GetLocalizedString(ByVal culture As System.Globalization.CultureInfo, ByVal name As String, ByVal obj As Object) As String Implements Syncfusion.Windows.Forms.ILocalizationProvider.GetLocalizedString
       Select Case name
           Case ToolsResourceIdentifiers.NewHorzGroupMenuItemText
                    Return "Customized HorizontalGroup"
           Case ToolsResourceIdentifiers.NewVertGroupMenuItemText
                    Return "Customized VerticalGroup"
           Case ToolsResourceIdentifiers.CloseMenuItemText
                    Return "Customizd Closemenu"
           Case ToolsResourceIdentifiers.MoveNextMenuItemText
                    Return "Customized Next"
           Case ToolsResourceIdentifiers.MovePrevMenuItemText
                    Return "Customized Previous"
           Case ToolsResourceIdentifiers.CancelMenuItemText
                    Return "Customized Cancel"
           Case Else
                    Return String.Empty
       End Select
   End Function
End Class