partial void DeletetbPreferenceTheme(tbPreferenceTheme instance);
 partial void UpdatetbPreferenceTheme(tbPreferenceTheme instance);
		private void detach_tbPreferenceThemes(tbPreferenceTheme entity)
		{
			this.SendPropertyChanging();
			entity.tbTheme = null;
		}
 partial void InserttbPreferenceTheme(tbPreferenceTheme instance);
		private void attach_tbPreferenceThemes(tbPreferenceTheme entity)
		{
			this.SendPropertyChanging();
			entity.tbPreference = this;
		}