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File.Move Method

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)

[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.

ExceptionCondition
IOException

The destination file already exists.

ArgumentNullException

sourceFileName or destFileName is null.

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.

For more information about trusted applications, see Trusted Applications.

Platform Notes

Silverlight for Windows Phone 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.

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

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

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