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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.