Articolo
11/18/2011

File.Move Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

When it is called by trusted applications, moves a specified file to a new location, providing the option to specify a new file name.

Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)

Syntax

'Declaration
<SecuritySafeCriticalAttribute> _
Public Shared Sub Move ( _
    sourceFileName As String, _
    destFileName As String _
)

[SecuritySafeCriticalAttribute]
public static void Move(
    string sourceFileName,
    string destFileName
)

Parameters

sourceFileName
Type: System.String
The name of the file to move.

destFileName
Type: System.String
The new path for the file.

Exceptions

Exception	Condition
IOException	The destination file already exists.
ArgumentNullException	sourceFileName or destFileName is nulla null reference (Nothing in Visual Basic).
ArgumentException	sourceFileName or destFileName is a zero-length string, contains only white space, or contains invalid characters as defined in GetInvalidPathChars.
UnauthorizedAccessException	The caller does not have the required permission.
FileNotFoundException	sourceFileName was not found.
PathTooLongException	The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.
DirectoryNotFoundException	The path specified in sourceFileName or destFileName is invalid, (for example, it is on an unmapped drive).
NotSupportedException	sourceFileName or destFileName is in an invalid format.

Remarks

For more information about trusted applications, see Trusted Applications.

Platform Notes

Silverlight for Windows Phone

This member has a SecurityCriticalAttribute attribute on Silverlight for Windows Phone, because the attribute was present in Silverlight 3. This attribute restricts this member to internal use. Application code that uses this member throws a MethodAccessException.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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