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IsolatedStorageFileStream Constructors

  • Reference

Definition

Namespace:
System.IO.IsolatedStorage
Assembly:
System.IO.IsolatedStorage.dll
Assembly:
mscorlib.dll
Assembly:
netstandard.dll
Assemblies:
mscorlib.dll, System.IO.IsolatedStorage.dll

Initializes a new instance of the IsolatedStorageFileStream class. The only way to open an IsolatedStorageFileStream is by using one of its constructors.

Overloads

IsolatedStorageFileStream(String, FileMode)

Initializes a new instance of an IsolatedStorageFileStream object giving access to the file designated by path in the specified mode.
IsolatedStorageFileStream(String, FileMode, FileAccess)

Initializes a new instance of the IsolatedStorageFileStream class giving access to the file designated by path, in the specified mode, with the kind of access requested.
IsolatedStorageFileStream(String, FileMode, IsolatedStorageFile)

Initializes a new instance of the IsolatedStorageFileStream class giving access to the file designated by path, in the specified mode, and in the context of the IsolatedStorageFile specified by isf.
IsolatedStorageFileStream(String, FileMode, FileAccess, FileShare)

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.
IsolatedStorageFileStream(String, FileMode, FileAccess, IsolatedStorageFile)

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, and in the context of the IsolatedStorageFile specified by isf.
IsolatedStorageFileStream(String, FileMode, FileAccess, FileShare, Int32)

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, with the buffersize specified.
IsolatedStorageFileStream(String, FileMode, FileAccess, FileShare, IsolatedStorageFile)

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.
IsolatedStorageFileStream(String, FileMode, FileAccess, FileShare, Int32, IsolatedStorageFile)

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, with the buffersize specified, and in the context of the IsolatedStorageFile specified by isf.

IsolatedStorageFileStream(String, FileMode)

Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs

Initializes a new instance of an IsolatedStorageFileStream object giving access to the file designated by path in the specified mode.

public:
 IsolatedStorageFileStream(System::String ^ path, System::IO::FileMode mode);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode);
new System.IO.IsolatedStorage.IsolatedStorageFileStream : string * System.IO.FileMode -> System.IO.IsolatedStorage.IsolatedStorageFileStream
Public Sub New (path As String, mode As FileMode)

Parameters

path
String

The relative path of the file within isolated storage.

mode
FileMode

One of the FileMode values.

Exceptions

ArgumentException

The path is badly formed.

ArgumentNullException

The path is null.

DirectoryNotFoundException

The directory in path does not exist.

FileNotFoundException

No file was found and the mode is set to Open

Remarks

The isolated store that is used is scoped by the current executing assembly's identity and that of the application domain in which it is running. This store will remain open only for the lifetime of the IsolatedStorageFileStream object. To specify a different isolated storage scope, or to allow the store to remain open (so multiple IsolatedStorageFileStream objects can be opened from it), use the form of the constructor that accepts an IsolatedStorageFile object.

The mode parameter indicates whether a new file should be created, an existing one used, and so on.

Caution

When you compile a set of characters with a particular cultural setting and retrieve those same characters with a different cultural setting, the characters might not be interpretable and can cause an exception to be thrown.

Applies to

IsolatedStorageFileStream(String, FileMode, FileAccess)

Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs

Initializes a new instance of the IsolatedStorageFileStream class giving access to the file designated by path, in the specified mode, with the kind of access requested.

public:
 IsolatedStorageFileStream(System::String ^ path, System::IO::FileMode mode, System::IO::FileAccess access);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.FileAccess access);
new System.IO.IsolatedStorage.IsolatedStorageFileStream : string * System.IO.FileMode * System.IO.FileAccess -> System.IO.IsolatedStorage.IsolatedStorageFileStream
Public Sub New (path As String, mode As FileMode, access As FileAccess)

Parameters

path
String

The relative path of the file within isolated storage.

mode
FileMode

One of the FileMode values.

access
FileAccess

A bitwise combination of the FileAccess values.

Exceptions

ArgumentException

The path is badly formed.

ArgumentNullException

The path is null.

FileNotFoundException

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

Remarks

The isolated store that is used is scoped by the current executing assembly's identity and that of the application domain in which it is running. This store will remain open only for the lifetime of the IsolatedStorageFileStream object. To specify a different isolated storage scope, or to allow the store to remain open (so multiple IsolatedStorageFileStream objects can be opened from it), use the form of the constructor that accepts an IsolatedStorageFile object.

The mode parameter indicates whether a new file should be created or an existing one used. The access parameter includes read-only, read/write, and write-only.

Caution

When you compile a set of characters with a particular cultural setting and retrieve those same characters with a different cultural setting, the characters might not be interpretable, and can cause an exception to be thrown.

Applies to

IsolatedStorageFileStream(String, FileMode, IsolatedStorageFile)

Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs

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

public:
 IsolatedStorageFileStream(System::String ^ path, System::IO::FileMode mode, System::IO::IsolatedStorage::IsolatedStorageFile ^ isf);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.IsolatedStorage.IsolatedStorageFile isf);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.IsolatedStorage.IsolatedStorageFile? isf);
new System.IO.IsolatedStorage.IsolatedStorageFileStream : string * System.IO.FileMode * System.IO.IsolatedStorage.IsolatedStorageFile -> System.IO.IsolatedStorage.IsolatedStorageFileStream
Public Sub New (path As String, mode As FileMode, isf As IsolatedStorageFile)

Parameters

path
String

The relative path of the file within isolated storage.

mode
FileMode

One of the FileMode values.

isf
IsolatedStorageFile

The IsolatedStorageFile in which to open the IsolatedStorageFileStream.

Exceptions

ArgumentException

The path is badly formed.

ArgumentNullException

The path is null.

FileNotFoundException

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

IsolatedStorageException

isf does not have a quota.

Examples

The following code example demonstrates the use of this constructor. For the complete context of this example, see the IsolatedStorageFileStream overview.

// This is the stream to which data will be written.
IsolatedStorageFileStream^ source = gcnew IsolatedStorageFileStream( this->userName,FileMode::OpenOrCreate,isoFile );

// This is the stream from which data will be read.
Console::WriteLine( "Is the source file readable?  {0}", (source->CanRead ? (String^)"true" : "false") );
Console::WriteLine( "Creating new IsolatedStorageFileStream for Archive." );

// Open or create a writable file.
IsolatedStorageFileStream^ target = gcnew IsolatedStorageFileStream( String::Concat("Archive\\",this->userName),FileMode::OpenOrCreate,FileAccess::Write,FileShare::Write,isoFile );


IsolatedStorageFileStream source =
    new IsolatedStorageFileStream(this.userName, FileMode.OpenOrCreate,
    isoFile);
// This is the stream from which data will be read.
Console.WriteLine("Is the source file readable? " + (source.CanRead ? "true" : "false"));
Console.WriteLine("Creating new IsolatedStorageFileStream for Archive.");

// Open or create a writable file.
IsolatedStorageFileStream target =
    new IsolatedStorageFileStream("Archive\\ " + this.userName,
    FileMode.OpenOrCreate,
    FileAccess.Write,
    FileShare.Write,
    isoFile);

' Open or create a writable file.
Dim target As New IsolatedStorageFileStream("Archive\ " & Me.userName, _
     FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write, isoFile)

Remarks

The mode parameter indicates whether a new file should be created, an existing one used, and so on.

Caution

When you compile a set of characters with a particular cultural setting and retrieve those same characters with a different cultural setting, the characters might not be interpretable, and can cause an exception to be thrown.

Applies to

IsolatedStorageFileStream(String, FileMode, FileAccess, FileShare)

Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs

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.

public:
 IsolatedStorageFileStream(System::String ^ path, System::IO::FileMode mode, System::IO::FileAccess access, System::IO::FileShare share);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.FileShare share);
new System.IO.IsolatedStorage.IsolatedStorageFileStream : string * System.IO.FileMode * System.IO.FileAccess * System.IO.FileShare -> System.IO.IsolatedStorage.IsolatedStorageFileStream
Public Sub New (path As String, mode As FileMode, access As FileAccess, share As FileShare)

Parameters

path
String

The relative path of the file within isolated storage.

mode
FileMode

One of the FileMode values.

access
FileAccess

A bitwise combination of the FileAccess values.

share
FileShare

A bitwise combination of the FileShare values.

Exceptions

ArgumentException

The path is badly formed.

ArgumentNullException

The path is null.

FileNotFoundException

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

Examples

The following code example demonstrates the use of this constructor. For the complete context of this example, see the IsolatedStorageFileStream overview.

// Retrieve an IsolatedStorageFile for the current Domain and Assembly.
IsolatedStorageFile^ isoFile = IsolatedStorageFile::GetStore( static_cast<IsolatedStorageScope>(IsolatedStorageScope::User | IsolatedStorageScope::Assembly | IsolatedStorageScope::Domain), (Type^)nullptr, nullptr );
IsolatedStorageFileStream^ isoStream = gcnew IsolatedStorageFileStream( this->userName,FileMode::Open,FileAccess::ReadWrite,isoFile );


// Retrieve an IsolatedStorageFile for the current Domain and Assembly.
IsolatedStorageFile isoFile =
    IsolatedStorageFile.GetStore(IsolatedStorageScope.User |
    IsolatedStorageScope.Assembly |
    IsolatedStorageScope.Domain,
    null,
    null);

IsolatedStorageFileStream isoStream =
    new IsolatedStorageFileStream("substituteUsername",
    System.IO.FileMode.Open,
    System.IO.FileAccess.Read,
     System.IO.FileShare.Read);

' Retrieve an IsolatedStorageFile for the current Domain and Assembly.
Dim isoFile As IsolatedStorageFile = _
    IsolatedStorageFile.GetStore(IsolatedStorageScope.User _
    Or IsolatedStorageScope.Assembly _
    Or IsolatedStorageScope.Domain, Nothing, Nothing)

Dim isoStream As New IsolatedStorageFileStream("substituteUsername", System.IO.FileMode.Open, _
    System.IO.FileAccess.Read, System.IO.FileShare.Read)

Remarks

The isolated store that is used is scoped by the current executing assembly's identity and that of the application domain in which it is running. This store will remain open only for the lifetime of the IsolatedStorageFileStream object. To specify a different isolated storage scope, or to allow the store to remain open (so multiple IsolatedStorageFileStream objects can be opened from it), use the form of the constructor that accepts an IsolatedStorageFile object.

Caution

When you compile a set of characters with a particular cultural setting and retrieve those same characters with a different cultural setting, the characters might not be interpretable and can cause an exception to be thrown.

Applies to

IsolatedStorageFileStream(String, FileMode, FileAccess, IsolatedStorageFile)

Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs

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, and in the context of the IsolatedStorageFile specified by isf.

public:
 IsolatedStorageFileStream(System::String ^ path, System::IO::FileMode mode, System::IO::FileAccess access, System::IO::IsolatedStorage::IsolatedStorageFile ^ isf);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.IsolatedStorage.IsolatedStorageFile isf);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.IsolatedStorage.IsolatedStorageFile? isf);
new System.IO.IsolatedStorage.IsolatedStorageFileStream : string * System.IO.FileMode * System.IO.FileAccess * System.IO.IsolatedStorage.IsolatedStorageFile -> System.IO.IsolatedStorage.IsolatedStorageFileStream
Public Sub New (path As String, mode As FileMode, access As FileAccess, isf As IsolatedStorageFile)

Parameters

path
String

The relative path of the file within isolated storage.

mode
FileMode

One of the FileMode values.

access
FileAccess

A bitwise combination of the FileAccess values.

isf
IsolatedStorageFile

The IsolatedStorageFile in which to open the IsolatedStorageFileStream.

Exceptions

ArgumentException

The path is badly formed.

ArgumentNullException

The path is null.

ObjectDisposedException

The isolated store is closed.

FileNotFoundException

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

IsolatedStorageException

isf does not have a quota.

Examples

The following code example demonstrates the use of this constructor. For the complete context of this example, see the IsolatedStorageFileStream overview.

IsolatedStorageFile^ isoFile;
isoFile = IsolatedStorageFile::GetUserStoreForDomain();

// Open or create a writable file.
IsolatedStorageFileStream^ isoStream = gcnew IsolatedStorageFileStream( this->userName,FileMode::OpenOrCreate,FileAccess::Write,isoFile );
StreamWriter^ writer = gcnew StreamWriter( isoStream );
writer->WriteLine( this->NewsUrl );
writer->WriteLine( this->SportsUrl );

// Calculate the amount of space used to record the user's preferences.
double d = isoFile->CurrentSize / isoFile->MaximumSize;
Console::WriteLine( "CurrentSize = {0}", isoFile->CurrentSize.ToString() );
Console::WriteLine( "MaximumSize = {0}", isoFile->MaximumSize.ToString() );
writer->Close();
isoFile->Close();
isoStream->Close();
return d;

IsolatedStorageFile isoFile;
isoFile = IsolatedStorageFile.GetUserStoreForDomain();

// Open or create a writable file.
IsolatedStorageFileStream isoStream =
    new IsolatedStorageFileStream(this.userName,
    FileMode.OpenOrCreate,
    FileAccess.Write,
    isoFile);

StreamWriter writer = new StreamWriter(isoStream);
writer.WriteLine(this.NewsUrl);
writer.WriteLine(this.SportsUrl);
// Calculate the amount of space used to record the user's preferences.
double d = isoFile.CurrentSize / isoFile.MaximumSize;
Console.WriteLine("CurrentSize = " + isoFile.CurrentSize.ToString());
Console.WriteLine("MaximumSize = " + isoFile.MaximumSize.ToString());
// StreamWriter.Close implicitly closes isoStream.
writer.Close();
isoFile.Dispose();
isoFile.Close();
return d;

Dim isoFile As IsolatedStorageFile
isoFile = IsolatedStorageFile.GetUserStoreForDomain()

' Open or create a writable file.
Dim isoStream As New IsolatedStorageFileStream(Me.userName, FileMode.OpenOrCreate, _
    FileAccess.Write, isoFile)

Dim writer As New StreamWriter(isoStream)
writer.WriteLine(Me.NewsUrl)
writer.WriteLine(Me.SportsUrl)
' Calculate the amount of space used to record the user's preferences.
Dim d As Double = Convert.ToDouble(isoFile.CurrentSize) / Convert.ToDouble(isoFile.MaximumSize)
Console.WriteLine(("CurrentSize = " & isoFile.CurrentSize.ToString()))
Console.WriteLine(("MaximumSize = " & isoFile.MaximumSize.ToString()))
' StreamWriter.Close implicitly closes isoStream.
writer.Close()
isoFile.Dispose()
isoFile.Close()
Return d

Remarks

The mode parameter indicates whether a new file should be created or an existing one used. The access parameter includes read-only, read/write, and write-only.

Caution

When you compile a set of characters with a particular cultural setting and retrieve those same characters with a different cultural setting, the characters might not be interpretable, and can cause an exception to be thrown.

Applies to

IsolatedStorageFileStream(String, FileMode, FileAccess, FileShare, Int32)

Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs

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, with the buffersize specified.

public:
 IsolatedStorageFileStream(System::String ^ path, System::IO::FileMode mode, System::IO::FileAccess access, System::IO::FileShare share, int bufferSize);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.FileShare share, int bufferSize);
new System.IO.IsolatedStorage.IsolatedStorageFileStream : string * System.IO.FileMode * System.IO.FileAccess * System.IO.FileShare * int -> System.IO.IsolatedStorage.IsolatedStorageFileStream
Public Sub New (path As String, mode As FileMode, access As FileAccess, share As FileShare, bufferSize As Integer)

Parameters

path
String

The relative path of the file within isolated storage.

mode
FileMode

One of the FileMode values.

access
FileAccess

A bitwise combination of the FileAccess values.

share
FileShare

A bitwise combination of the FileShare values.

bufferSize
Int32

The FileStream buffer size.

Exceptions

ArgumentException

The path is badly formed.

ArgumentNullException

The path is null.

FileNotFoundException

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

Remarks

The isolated store that is used is scoped by the current executing assembly's identity and that of the application domain in which it is running. This store will remain open only for the lifetime of the IsolatedStorageFileStream object. To specify a different isolated storage scope, or to allow the store to remain open (so multiple IsolatedStorageFileStream objects can be opened from it), use the form of the constructor that accepts an IsolatedStorageFile object.

The mode parameter indicates whether a new file should be created or an existing one used. The access parameter includes read-only, read/write, and write-only.

Caution

When you compile a set of characters with a particular cultural setting and retrieve those same characters with a different cultural setting, the characters might not be interpretable, and can cause an exception to be thrown.

Applies to

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

Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs

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.

public:
 IsolatedStorageFileStream(System::String ^ path, System::IO::FileMode mode, System::IO::FileAccess access, System::IO::FileShare share, System::IO::IsolatedStorage::IsolatedStorageFile ^ isf);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.FileShare share, System.IO.IsolatedStorage.IsolatedStorageFile isf);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.FileShare share, System.IO.IsolatedStorage.IsolatedStorageFile? isf);
new System.IO.IsolatedStorage.IsolatedStorageFileStream : string * System.IO.FileMode * System.IO.FileAccess * System.IO.FileShare * System.IO.IsolatedStorage.IsolatedStorageFile -> System.IO.IsolatedStorage.IsolatedStorageFileStream
Public Sub New (path As String, mode As FileMode, access As FileAccess, share As FileShare, isf As IsolatedStorageFile)

Parameters

path
String

The relative path of the file within isolated storage.

mode
FileMode

One of the FileMode values.

access
FileAccess

A bitwise combination of the FileAccess values.

share
FileShare

A bitwise combination of the FileShare values.

isf
IsolatedStorageFile

The IsolatedStorageFile in which to open the IsolatedStorageFileStream.

Exceptions

ArgumentException

The path is badly formed.

ArgumentNullException

The path is null.

FileNotFoundException

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

IsolatedStorageException

isf does not have a quota.

Examples

The following code example demonstrates the use of this constructor. For the complete context of this example, see the IsolatedStorageFileStream overview.

// This is the stream to which data will be written.
IsolatedStorageFileStream^ source = gcnew IsolatedStorageFileStream( this->userName,FileMode::OpenOrCreate,isoFile );

// This is the stream from which data will be read.
Console::WriteLine( "Is the source file readable?  {0}", (source->CanRead ? (String^)"true" : "false") );
Console::WriteLine( "Creating new IsolatedStorageFileStream for Archive." );

// Open or create a writable file.
IsolatedStorageFileStream^ target = gcnew IsolatedStorageFileStream( String::Concat("Archive\\",this->userName),FileMode::OpenOrCreate,FileAccess::Write,FileShare::Write,isoFile );


IsolatedStorageFileStream source =
    new IsolatedStorageFileStream(this.userName, FileMode.OpenOrCreate,
    isoFile);
// This is the stream from which data will be read.
Console.WriteLine("Is the source file readable? " + (source.CanRead ? "true" : "false"));
Console.WriteLine("Creating new IsolatedStorageFileStream for Archive.");

// Open or create a writable file.
IsolatedStorageFileStream target =
    new IsolatedStorageFileStream("Archive\\ " + this.userName,
    FileMode.OpenOrCreate,
    FileAccess.Write,
    FileShare.Write,
    isoFile);

' Open or create a writable file.
Dim target As New IsolatedStorageFileStream("Archive\ " & Me.userName, _
     FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write, isoFile)

Remarks

The mode parameter indicates whether a new file should be created or an existing one used. The access parameter includes read-only, read/write, and write-only.

Caution

When you compile a set of characters with a particular cultural setting and retrieve those same characters with a different cultural setting, the characters might not be interpretable, and can cause an exception to be thrown.

Applies to

IsolatedStorageFileStream(String, FileMode, FileAccess, FileShare, Int32, IsolatedStorageFile)

Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs
Source:
IsolatedStorageFileStream.cs

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, with the buffersize specified, and in the context of the IsolatedStorageFile specified by isf.

public:
 IsolatedStorageFileStream(System::String ^ path, System::IO::FileMode mode, System::IO::FileAccess access, System::IO::FileShare share, int bufferSize, System::IO::IsolatedStorage::IsolatedStorageFile ^ isf);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.FileShare share, int bufferSize, System.IO.IsolatedStorage.IsolatedStorageFile? isf);
public IsolatedStorageFileStream (string path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.FileShare share, int bufferSize, System.IO.IsolatedStorage.IsolatedStorageFile isf);
new System.IO.IsolatedStorage.IsolatedStorageFileStream : string * System.IO.FileMode * System.IO.FileAccess * System.IO.FileShare * int * System.IO.IsolatedStorage.IsolatedStorageFile -> System.IO.IsolatedStorage.IsolatedStorageFileStream
Public Sub New (path As String, mode As FileMode, access As FileAccess, share As FileShare, bufferSize As Integer, isf As IsolatedStorageFile)

Parameters

path
String

The relative path of the file within isolated storage.

mode
FileMode

One of the FileMode values.

access
FileAccess

A bitwise combination of the FileAccess values.

share
FileShare

A bitwise combination of the FileShare values.

bufferSize
Int32

The FileStream buffer size.

isf
IsolatedStorageFile

The IsolatedStorageFile in which to open the IsolatedStorageFileStream.

Exceptions

ArgumentException

The path is badly formed.

ArgumentNullException

The path is null.

FileNotFoundException

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

IsolatedStorageException

isf does not have a quota.

Examples

The following code example demonstrates the use of this constructor. For the complete context of this example, see the IsolatedStorageFileStream overview.

// Open or create a writable file, no larger than 10k
IsolatedStorageFileStream^ isoStream = gcnew IsolatedStorageFileStream( this->userName,FileMode::OpenOrCreate,FileAccess::Write,FileShare::Write,10240,isoFile );


// Open or create a writable file with a maximum size of 10K.
IsolatedStorageFileStream isoStream =
    new IsolatedStorageFileStream(this.userName,
    FileMode.OpenOrCreate,
    FileAccess.Write,
    FileShare.Write,
    10240,
    isoFile);

' Open or create a writable file with a maximum size of 10K.
Dim isoStream As New IsolatedStorageFileStream(Me.userName, FileMode.OpenOrCreate, _
    FileAccess.Write, FileShare.Write, 10240, isoFile)

Remarks

The mode parameter indicates whether a new file should be created or an existing one used. The access parameter includes read-only, read/write, and write-only.

Caution

When you compile a set of characters with a particular cultural setting and retrieve those same characters with a different cultural setting, the characters might not be interpretable, and can cause an exception to be thrown.

Applies to