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Asked: 2026-05-26T19:41:46+00:00

I want to convert the items entered to a String list to: System.Collections.ObjectModel.ReadOnlyCollection<string> I

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I want to convert the items entered to a String list to:

System.Collections.ObjectModel.ReadOnlyCollection<string>

I have tried using:

(System.Collections.ObjectModel.ReadOnlyCollection<string>)listname

But it returns an error.

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1 Answer

  1. Editorial Team

    You can create a new instance using the existing List in the constructor.

    var readOnlyList = new ReadOnlyCollection<string>(existingList);

    ReadOnlyCollection(Of T) Constructor on MSDN

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