optionsService        = self.InstallService(pydocview.DocOptionsService(supportedModes=wx.lib.docview.DOC_MDI))
         windowMenuService     = self.InstallService(pydocview.WindowMenuService())
         filePropertiesService = self.InstallService(pydocview.FilePropertiesService())
         optionsService        = self.InstallService(pydocview.DocOptionsService(supportedModes=wx.lib.docview.DOC_MDI))
         windowMenuService     = self.InstallService(pydocview.WindowMenuService())
         filePropertiesService = self.InstallService(pydocview.FilePropertiesService())