IsolatedStorageFileStream Constructor (String, FileMode, FileAccess, FileShare, IsolatedStorageFile)

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Initializes a new instance of the IsolatedStorageFileStream class giving access to the file designated by path, in the specified mode, with the specified file access, using the file sharing mode specified by share, and in the context of the IsolatedStorageFile specified by isf.

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


Public Sub New ( _
    path As String, _
    mode As FileMode, _
    access As FileAccess, _
    share As FileShare, _
    isf As IsolatedStorageFile _
public IsolatedStorageFileStream(
    string path,
    FileMode mode,
    FileAccess access,
    FileShare share,
    IsolatedStorageFile isf


  • path
    Type: System.String
    The relative path of the file within isolated storage.


Exception Condition

isf has been disposed.


path is badly formed.


path is nulla null reference (Nothing in Visual Basic).


isf is nulla null reference (Nothing in Visual Basic).


The directory in path does not exist.


No file was found and the mode is set to Open.


Version Notes

Silverlight for Windows Phone Silverlight for Windows Phone

 When you use this constructor in a Windows Phone application, you cannot pass Delete for the share parameter. If you do, the constructor throws an IsolatedStorageException exception.

Version Information


Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0


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