Converting Custom list to int array

Question

I have a program which is giving me a custom list of numbers 'NumberList'. I converted that list into a custom array with the ultimate goal of converting it to an int array. However, the logic I am using is not letting me convert and giving me following error:

CS0411 C# The type arguments for method cannot be inferred from the usage. Try specifying the type arguments explicitly.

Can anyone please help me with this?

public static void Main(string[] args)
{
     if (!string.IsNullOrEmpty(Btn()))
     {
          var manager = new NumberManager(Btn());
          var res = manager.Execute();

          NumberWith[] NWArray = manager.NumbersList.ToArray();

          var intArray =  Array.ConvertAll( NWArray, int.Parse);
     }
}

Welcome to Stack Overflow. Please edit your question and add the code which defines NumberWith. — 15ee8f99-57ff-4f92-890c-b56153
– 15ee8f99-57ff-4f92-890c-b56153, Commented Oct 28, 2019 at 18:00
What does the object look like? Additionally... Why to an Array at all, and not just List<T> for each step? — Austin T French
– Austin T French, Commented Oct 28, 2019 at 18:00
it IS answerable. The problem is that numberswith is an object with properties. The final line of code needs to be changed to be NWArray.someproperty — John Lord
– John Lord, Commented Oct 28, 2019 at 18:12
What does the NumberManaer and NumberWith look like and more importantly what does NumbersList return? — John Alexiou
– John Alexiou, Commented Oct 28, 2019 at 18:49
Side Note: Why is Btn() called twice? Shouldn't you call once and cache the results? — John Alexiou
– John Alexiou, Commented Oct 28, 2019 at 18:50

John Alexiou · Accepted Answer · 2019-10-28 23:30:30Z

1

Try

var intArray =  manager.NumbersList.Select((item)=> item.Number).ToArray();

answered Oct 28, 2019 at 23:30

John Alexiou

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