public static TValue GetValue <TSelf>(TGraph graph, TTable row) where TSelf : As <TValue> => graph.GetExtension <TSelf>().GetValue(row);
public static TValue GetValue <TSelf>(TGraph graph, TTable row) where TSelf : PXFieldAttachedTo <TTable> .By <TGraph> .As <TValue> => graph.GetExtension <TSelf>().GetValue(row);