CL Programming


Messages

A message is a communication sent from one user, program, or procedure to another. Most data processing systems provide communications between the system and the operator to handle errors and other conditions that occur during processing. OS/400 also provides message handling functions that support two-way communications between programs and system users, between programs, between procedures within a program, and between system users. Two types of messages are supported:

Because messages can be used to provide communications between programs, between procedures in a program, and between programs and users, using the OS/400 message handling functions should be considered when developing applications. The following concepts of message handling are important to application development:

See the Globalization topic in the System overview, planning, and installation category of the iSeries Information Center for information on Coded Character Set Identifier (CCSID) for menus, messages, and message descriptions.


[ Top of Page | Previous Page | Next Page | Table of Contents | Index ]