Artikel
11/18/2011

IsolatedStorageFile.CopyFile Method (String, String, Boolean)

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

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

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

Syntax

'Declaration
<SecuritySafeCriticalAttribute> _
Public Sub CopyFile ( _
    sourceFileName As String, _
    destinationFileName As String, _
    overwrite As Boolean _
)

[SecuritySafeCriticalAttribute]
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.

Exceptions

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- An I/O error has occurred.

Remarks

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

Version Information

Silverlight

Supported in: 5, 4

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1

Platforms

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

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