<PackageReference Include="System.Configuration.ConfigurationManager" Version="10.0.0-rc.1.25451.107" />

ErrorInfoXmlDocument

using System.ComponentModel; using System.ComponentModel; namespace System.Configuration { public class SettingChangingEventArgs : CancelEventArgs { private readonly string _settingClass = settingClass; private readonly string _settingName = settingName; private readonly string _settingKey = settingKey; private readonly object _newValue = newValue; public object NewValue => _newValue; public string SettingClass => _settingClass; public string SettingName => _settingName; public string SettingKey => _settingKey; public SettingChangingEventArgs(string settingName, string settingClass, string settingKey, object newValue, bool cancel) : base(cancel) { } } }