namespace System.ComponentModel { public class WarningException : SystemException { public string HelpTopic { get; } public string HelpUrl { get; } public WarningException(); protected WarningException(SerializationInfo info, StreamingContext context); public WarningException(string message); public WarningException(string message, Exception innerException); public WarningException(string message, string helpUrl); public WarningException(string message, string helpUrl, string helpTopic); } }