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ADODB.Stream 对象
时间: 2004-07-29
From:
http://www.w3schools.com/ado/ado_ref_stream.asp
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
shelly
发表于
2004-07-29 12:06
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