C# Convert List IEnumerable<T> to 2D multi-dimensional array
//extension methodpublicstaticobject[,] To2DArray<T>(this IEnumerable<T> lines, params Func<T, object>[] lambdas)
{
var array = newobject[lines.Count(), lambdas.Count()];
var lineCounter = 0;
lines.ForEach(line =>
{
for (var i = 0; i < lambdas.Length; i++)
{
array[lineCounter, i] = lambdas[i](line);
}
lineCounter++;
});
return array;
}
[Test]
publicvoid Test()
{
var lines = new List<Line>();
lines.Add(new Line() { Id=1, Name="One", Age=25 });
lines.Add(new Line() { Id = 2, Name = "Two", Age = 35 });
lines.Add(new Line() { Id = 3, Name = "Three", Age = 45 });
//Convert to 2d array//[1,One,25]//[2,Two,35]//[3,Three,45] var range = lines.To2DArray(x => x.Id, x => x.Name, x=> x.Age);
//test the resultfor(var i=0;i<lines.Count;i++)
{
for(var j=0;j<3;j++)//3 lambdas passed to function {
Console.Write(range[i,j]+",");
}
Console.WriteLine();
}
}
class …
