CopyTo Method (String)
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FileInfo.CopyTo Method (String)

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Copies an existing file to a new file, disallowing the overwriting of an existing file.

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

'Declaration
Public Function CopyTo ( _
	destFileName As String _
) As FileInfo

Parameters

destFileName
Type: System.String
The name of the new file to copy to.

Return Value

Type: System.IO.FileInfo
A new file with a fully qualified path.

ExceptionCondition
ArgumentException

destFileName is empty, contains only white spaces, or contains invalid characters.

IOException

An error occurs, or the destination file already exists.

SecurityException

The caller does not have the required permission.

ArgumentNullException

destFileName is Nothing.

UnauthorizedAccessException

A directory path is passed in, or the file is being moved to a different drive.

DirectoryNotFoundException

The directory specified in destFileName does not exist.

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.

NotSupportedException

destFileName contains a colon (:) in the middle of the string.

Version Notes

Windows Phone

 This member has a SecurityCriticalAttribute attribute. This attribute restricts this member to internal use. Application code that uses this member throws a MethodAccessException.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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