ADO Stream Object

Stream Object (ADO version 2.5)

The ADO Stream Object is used to read, write, and manage a stream of binary data or text.

A Stream object can be obtained in three ways:

  • From a URL pointing to a document, a folder, or a Record object
  • By instantiating a Stream object to store data for your application
  • By opening the default Stream object associated with a Record object

Syntax

objectname.property
objectname.method


Properties

Property

Description

CharSet

Sets or returns a value that specifies into which character set the contents are to be translated. This property is only used with text Stream objects (type is adTypeText)

EOS

Returns whether the current position is at the end of the stream or not

LineSeparator

Sets or returns the line separator character used in a text Stream object

Mode

Sets or returns the available permissions for modifying data

Position

Sets or returns the current position (in bytes) from the beginning of a Stream object

Size

Returns the size of an open Stream object

State

Returns a value describing if the Stream object is open or closed

Type

Sets or returns the type of data in a Stream object



Methods

Method

Description

Cancel

Cancels an execution of an Open call on a Stream object

Close

Closes a Stream object

CopyTo

Copies a specified number of characters/bytes from one Stream object into another Stream object

Flush

Sends the contents of the Stream buffer to the associated underlying object

LoadFromFile

Loads the contents of a file into a Stream object

Open

Opens a Stream object

Read

Reads the entire stream or a specified number of bytes from a binary Stream object

ReadText

Reads the entire stream, a line, or a specified number of characters from a text Stream object

SaveToFile

Saves the binary contents of a Stream object to a file

SetEOS

Sets the current position to be the end of the stream (EOS)

SkipLine

Skips a line when reading a text Stream

Write

Writes binary data to a binary Stream object

WriteText

Writes character data to a text Stream object

 

ADO Stream

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