internal ChartTitlePositions EvaluatePosition(IReportScopeInstance instance, OnDemandProcessingContext context)
 {
     context.SetupContext(m_chart, instance);
     return(EnumTranslator.TranslateChartTitlePosition(context.ReportRuntime.EvaluateChartTitlePositionExpression(this, base.Name, "Position"), context.ReportRuntime));
 }