Msg Class

10/16/2008

This class is the superclass of all message classes in MSN Direct Services. This class provides virtual methods which all message classes implement.

Syntax

class Msg

Methods

Method	Description
Msg Constructor	Creates an empty message class.
Msg::AppIDToString	Converts the specified application ID to a human-readable string.
Msg::Dump	Writes output to the debugger for this message.
Msg::GetApplicationType	Can be implemented in a subclass to return the application type.
Msg::GetBuffer	Can be implemented to return a pointer to the first byte of the message after the beginning-of-frame.
Msg::GetBufferWithFrames	Can be implemented in a subclass to return a pointer to the first byte of the message, which includes the beginning-of-frame.
Msg::GetSize	Can be implemented in a subclass to return the size of the message, subtracting the bytes used for framing.
Msg::GetSizeWithFrames	Can be implemented in a subclass to return the size of the message, which includes framing.
Msg::GetTransactionId	Can be implemented in a subclass to return the transaction ID of the current message.
Msg::IsErrorCodeOnly	Can be implemented to return true if this message contains only the error code in its payload.
Msg::IsResponse	Can be implemented in a subclass to return true if this message is a response message.
Msg::SetTransactionId	Can be implemented in a subclass to set the transaction ID of the current message.

Requirements

Header	DBRLib.h
Library	DBRLib.lib
Windows Embedded CE	Windows CE 5.0, Windows Embedded NavReady 2009

See Also

Reference

MSN Direct Services Classes