Windows Dev Center

IsolatedStorageFile.CopyFile Method (String, String, Boolean)

Copies an existing file to a new file, and optionally overwrites an existing file.

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

public void CopyFile(
	string sourceFileName,
	string destinationFileName,
	bool overwrite
)

Parameters

sourceFileName
Type: System.String
The name of the file to copy.
destinationFileName
Type: System.String
The name of the destination file. This cannot be a directory.
overwrite
Type: System.Boolean
true if the destination file can be overwritten; otherwise, false.

ExceptionCondition
ArgumentException

sourceFileName or destinationFileName is a zero-length string, contains only white space, or contains one or more invalid characters defined by the Path.GetInvalidPathChars method.

ArgumentNullException

sourceFileName or destinationFileName is null.

InvalidOperationException

The isolated store has been closed.

ObjectDisposedException

The isolated store has been disposed.

FileNotFoundException

sourceFileName was not found.

IsolatedStorageException

The isolated store has been removed.

-or-

Isolated storage is disabled.

-or-

An I/O error has occurred.

sourceFileName and destinationFileName can have the same file name if overwrite is true.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1

Windows Phone

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