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.NET Framework 3.5
System.IO Namespace
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This page is specific to
Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:
.NET Framework Class Library
FileNotFoundException Class

The exception that is thrown when an attempt to access a file that does not exist on disk fails.

Namespace:  System.IO
Assembly:  mscorlib (in mscorlib.dll)
Visual Basic (Declaration)
<SerializableAttribute> _
<ComVisibleAttribute(True)> _
Public Class FileNotFoundException _
    Inherits IOException
Visual Basic (Usage)
Dim instance As FileNotFoundException
C#
[SerializableAttribute]
[ComVisibleAttribute(true)]
public class FileNotFoundException : IOException
Visual C++
[SerializableAttribute]
[ComVisibleAttribute(true)]
public ref class FileNotFoundException : public IOException
JScript
public class FileNotFoundException extends IOException

FileNotFoundException uses the HRESULT COR_E_FILENOTFOUND which has the value 0x80070002.

If your code does not have PathDiscovery permission, the error message for this exception may only contain file or directory names instead of fully qualified paths.

System..::.Object
  System..::.Exception
    System..::.SystemException
      System.IO..::.IOException
        System.IO..::.FileNotFoundException
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
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Enable Fusion Log to see full exception info      GregChernis   |   Edit   |   Show History
add the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Fusion\EnableLog registry key and set to 1.
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