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TextFieldParser Constructor (Stream, Encoding, Boolean, Boolean)

Initializes a new instance of the TextFieldParser class.

Namespace:  Microsoft.VisualBasic.FileIO
Assembly:  Microsoft.VisualBasic (in Microsoft.VisualBasic.dll)

public TextFieldParser(
	Stream stream,
	Encoding defaultEncoding,
	bool detectEncoding,
	bool leaveOpen
)

Parameters

stream
Type: System.IO.Stream

Stream. The stream to be parsed.

defaultEncoding
Type: System.Text.Encoding

Encoding. The character encoding to use if encoding is not determined from file. Default is UTF8.

detectEncoding
Type: System.Boolean

Boolean. Indicates whether to look for byte order marks at the beginning of the file. Default is True.

leaveOpen
Type: System.Boolean

Boolean. Indicates whether to leave stream open when the TextFieldParser object is closed. Default is False.

ExceptionCondition
ArgumentNullException

stream or defaultEncoding is Nothing.

ArgumentException

stream cannot be read from.

Creates a new TextFieldParser object to parse the file or stream that is represented by the stream parameter.

If the detectEncoding parameter is True, this constructor attempts to detect the encoding by looking at the first three bytes of the file or stream. It automatically recognizes UTF-8, little-endian Unicode, and big-endian Unicode text if the file starts with the appropriate byte-order marks. Otherwise, the encoding specified by defaultEncoding is used.

Caution noteCaution

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 could cause an exception to be thrown.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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