<PackageReference Include="System.Configuration.ConfigurationManager" Version="7.0.0-preview.2.22152.2" />

CommaDelimitedStringCollection

public sealed class CommaDelimitedStringCollection : StringCollection
public bool IsModified { get; }

public bool IsReadOnly { get; }

public string this[int index] { get; set; }

public CommaDelimitedStringCollection()

public void Add(string value)

public void AddRange(string[] range)

public void Clear()

public CommaDelimitedStringCollection Clone()

public void Insert(int index, string value)

public void Remove(string value)

public void SetReadOnly()