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StreamWriter Constructor (String)

When it is called by trusted applications, initializes a new instance of the StreamWriter class for the specified file on the specified path, using the default encoding and buffer size.

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

'Declaration
Public Sub New ( _
	path As String _
)

Parameters

path
Type: System.String
The complete file path to write to. path can be a file name.

ExceptionCondition
UnauthorizedAccessException

Access is denied.

ArgumentException

path is an empty string ("").

-or-

path contains the name of a system device (com1, com2, and so on).

ArgumentNullException

path is Nothing.

DirectoryNotFoundException

The specified path is invalid; for example, it might refer to an unmapped drive.

PathTooLongException

The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.

IOException

path includes an incorrect or invalid syntax for file name, directory name, or volume label syntax.

SecurityException

The caller does not have the required permission.

Platform Notes

Silverlight for Windows Phone Silverlight for Windows Phone

 This member has a SecurityCriticalAttribute attribute on Silverlight for Windows Phone, because the attribute was present in Silverlight 3. This attribute restricts this member to internal use. Application code that uses this member throws a MethodAccessException.

Silverlight

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.

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