IsolatedStorageFile.CopyFile Method (String, String)

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

Copies an existing file to a new file.

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

Syntax

'Declaration
Public Sub CopyFile ( _
    sourceFileName As String, _
    destinationFileName As String _
)

public void CopyFile(
    string sourceFileName,
    string destinationFileName
)

destinationFileName
Type: System.String
The name of the destination file. This cannot be a directory or an existing file.

Exception	Condition
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 nulla null reference (Nothing in Visual Basic).
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- destinationFileName exists. -or- An I/O error has occurred.

sourceFileName and destinationFileName must specify different file names. Use the IsolatedStorageFile.CopyFile(String, String, Boolean) method overload to overwrite an existing file.

Supported in: 5, 4

Supported in: Windows Phone OS 7.1

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