FileInfo.CopyTo Method (String, Boolean)

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

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

public FileInfo CopyTo(
	string destFileName,
	bool overwrite
)

Parameters

destFileName
Type: System.String
The name of the new file to copy to.
overwrite
Type: System.Boolean
true to allow an existing file to be overwritten; otherwise, false.

Return Value

Type: System.IO.FileInfo
A new file, or an overwrite of an existing file if overwrite is true. If the file exists and overwrite is false, an IOException is thrown.

ExceptionCondition
ArgumentException

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

IOException

An error occurs, or the destination file already exists and overwrite is false.

SecurityException

The caller does not have the required permission.

ArgumentNullException

destFileName is null.

DirectoryNotFoundException

The directory specified in destFileName does not exist.

UnauthorizedAccessException

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

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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