singrdk/base/Libraries/System.IO/FileNotFoundException.cs

91 lines
3.3 KiB
C#

// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*============================================================
**
** Class: FileNotFoundException
**
**
** Purpose: Exception for accessing a file that doesn't exist.
**
** Date: February 18, 2000
**
===========================================================*/
using System;
namespace System.IO {
// Thrown when trying to access a file that doesn't exist on disk.
//| <include file='doc\FileNotFoundException.uex' path='docs/doc[@for="FileNotFoundException"]/*' />
public class FileNotFoundException : IOException {
private String _fileName; // The name of the file that isn't found.
//| <include file='doc\FileNotFoundException.uex' path='docs/doc[@for="FileNotFoundException.FileNotFoundException"]/*' />
public FileNotFoundException()
: base("IO.FileNotFound") {
}
//| <include file='doc\FileNotFoundException.uex' path='docs/doc[@for="FileNotFoundException.FileNotFoundException1"]/*' />
public FileNotFoundException(String message)
: base(message) {
}
//| <include file='doc\FileNotFoundException.uex' path='docs/doc[@for="FileNotFoundException.FileNotFoundException2"]/*' />
public FileNotFoundException(String message, Exception innerException)
: base(message, innerException) {
}
//| <include file='doc\FileNotFoundException.uex' path='docs/doc[@for="FileNotFoundException.FileNotFoundException3"]/*' />
public FileNotFoundException(String message, String fileName) : base(message)
{
_fileName = fileName;
}
//| <include file='doc\FileNotFoundException.uex' path='docs/doc[@for="FileNotFoundException.FileNotFoundException4"]/*' />
public FileNotFoundException(String message, String fileName, Exception innerException)
: base(message, innerException) {
_fileName = fileName;
}
//| <include file='doc\FileNotFoundException.uex' path='docs/doc[@for="FileNotFoundException.Message"]/*' />
public override String Message
{
get {
String message = base.Message;
if (message == null) {
if (_fileName == null)
return "IO.FileNotFound";
else
return "IO.FileNotFound" + _fileName;
}
else {
return message;
}
}
}
//| <include file='doc\FileNotFoundException.uex' path='docs/doc[@for="FileNotFoundException.FileName"]/*' />
public String FileName {
get { return _fileName; }
}
//| <include file='doc\FileNotFoundException.uex' path='docs/doc[@for="FileNotFoundException.ToString"]/*' />
public override String ToString()
{
String s = GetType().FullName + ": " + Message;
if (_fileName != null && _fileName.Length != 0)
s += Environment.NewLine + String.Format("IO.FileName_Name", _fileName);
if (InnerException != null)
s = s + " ---> " + InnerException.ToString();
return s;
}
}
}