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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.ComponentModel;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.Serialization;
namespace System.IO
{
// Thrown when trying to access a file that doesn't exist on disk.
[Serializable]
[TypeForwardedFrom("mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
public partial class FileNotFoundException : IOException
{
public FileNotFoundException()
: base(SR.IO_FileNotFound)
{
HResult = HResults.COR_E_FILENOTFOUND;
}
public FileNotFoundException(string? message)
: base(message)
{
HResult = HResults.COR_E_FILENOTFOUND;
}
public FileNotFoundException(string? message, Exception? innerException)
: base(message, innerException)
{
HResult = HResults.COR_E_FILENOTFOUND;
}
public FileNotFoundException(string? message, string? fileName)
: base(message)
{
HResult = HResults.COR_E_FILENOTFOUND;
FileName = fileName;
}
public FileNotFoundException(string? message, string? fileName, Exception? innerException)
: base(message, innerException)
{
HResult = HResults.COR_E_FILENOTFOUND;
FileName = fileName;
}
public override string Message
{
get
{
SetMessageField();
Debug.Assert(_message != null, "_message was null after calling SetMessageField");
return _message;
}
}
private void SetMessageField()
{
if (_message == null)
{
if ((FileName == null) &&
(HResult == HResults.COR_E_EXCEPTION))
_message = SR.IO_FileNotFound;
else if (FileName != null)
_message = FileLoadException.FormatFileLoadExceptionMessage(FileName, HResult);
}
}
public string? FileName { get; }
public string? FusionLog { get; }
public override string ToString()
{
string s = GetType().ToString() + ": " + Message;
if (!string.IsNullOrEmpty(FileName))
s += Environment.NewLineConst + SR.Format(SR.IO_FileName_Name, FileName);
if (InnerException != null)
s += Environment.NewLineConst + InnerExceptionPrefix + InnerException.ToString();
if (StackTrace != null)
s += Environment.NewLineConst + StackTrace;
if (FusionLog != null)
{
s ??= " ";
s += Environment.NewLineConst + Environment.NewLineConst + FusionLog;
}
return s;
}
[Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
[EditorBrowsable(EditorBrowsableState.Never)]
protected FileNotFoundException(SerializationInfo info, StreamingContext context)
: base(info, context)
{
FileName = info.GetString("FileNotFound_FileName");
FusionLog = info.GetString("FileNotFound_FusionLog");
}
[Obsolete(Obsoletions.LegacyFormatterImplMessage, DiagnosticId = Obsoletions.LegacyFormatterImplDiagId, UrlFormat = Obsoletions.SharedUrlFormat)]
[EditorBrowsable(EditorBrowsableState.Never)]
public override void GetObjectData(SerializationInfo info, StreamingContext context)
{
base.GetObjectData(info, context);
info.AddValue("FileNotFound_FileName", FileName, typeof(string));
info.AddValue("FileNotFound_FusionLog", FusionLog, typeof(string));
}
}
}
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