Smrf.NodeXL.ExcelTemplate.ReciprocatedVertexPairRatioCalculator2.TryCalculateGraphMetrics C# (CSharp) Method

    TryCalculateGraphMetrics
    (
        IGraph graph,
        CalculateGraphMetricsContext calculateGraphMetricsContext,
        out GraphMetricColumn [] graphMetricColumns
    )
    {
        Debug.Assert(graph != null);
        Debug.Assert(calculateGraphMetricsContext != null);
        AssertValid();

        graphMetricColumns = new GraphMetricColumn[0];

        if (
            graph.Directedness != GraphDirectedness.Directed
            ||
            !calculateGraphMetricsContext.ShouldCalculateGraphMetrics(
                GraphMetrics.ReciprocatedVertexPairRatio)
            )
        {
            return (true);
        }

        // Calculate the metric for each vertex using the
        // ReciprocatedVertexPairRatioCalculator class in the Algorithms
        // namespace, which knows nothing about Excel.

        Dictionary< Int32, Nullable<Double> > oReciprocatedVertexPairRatios;

        if ( !( new Algorithms.ReciprocatedVertexPairRatioCalculator() ).
            TryCalculateGraphMetrics(graph,
                calculateGraphMetricsContext.BackgroundWorker,
                out oReciprocatedVertexPairRatios) )
        {
            // The user cancelled.

            return (false);
        }

        graphMetricColumns = new GraphMetricColumn [] {
            CreateGraphMetricColumn(graph, oReciprocatedVertexPairRatios)
            };

        return (true);
    }