XmlReader.ReadContentAsBase64 Method

public virtual int ReadContentAsBase64 (
	byte[] buffer,
	int index,
	int count
)

public int ReadContentAsBase64 (
	byte[] buffer, 
	int index, 
	int count
)

public function ReadContentAsBase64 (
	buffer : byte[], 
	index : int, 
	count : int
) : int

Parameters

buffer

The buffer into which to copy the resulting text. This value cannot be a null reference (Nothing in Visual Basic).

index

The offset into the buffer where to start copying the result.

count

The maximum number of bytes to copy into the buffer. The actual number of bytes copied is returned from this method.

Return Value

This method streams the content, decodes the Base64 content, and returns the decoded binary bytes (for example, an inline Base64 encoded GIF image) into the buffer. This method can be called successively to read large streams of embedded text. For more information, see RFC 1521, "MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Specifying and Describing the Format of Internet Message Bodies". You can obtain RFCs from the Request for Comments Web site at http://www.rfc-editor.org.

Note
You should not access any of the reader properties between calls to the ReadContentAsBase64 method until the method returns the value 0.

This method has the following behavior:

• ReadContentAsBase64 returns the value 0 when it has reached the end of the byte stream it was operating on. The reader is positioned on the first non-content node.

• If you ask for fewer, or the exact number of, bytes than are left in the stream the reader remains in its current position.

• ReadContentAsBase64 is not supported on the following XML node types: Element, XmlDeclaration, None, Document, DocumentType, Notation, Entity, DocumentFragment.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

.NET Compact Framework