Facility

The REXX panel facility provides the REXX programmer with simple tools and commands for panel definition and for panel input/output to 3270 type terminals. The panel facility allows easy definition of panels using any editor. The requirement is that the panel source definition file should be in the REXX File System (RFS) before it is further processed. The panel input/output command provides the ability within a REXX program to dynamically change many of the field attributes statically defined by the panel definition facility. The following example helps you see the capability and function of the panel facility and also helps you understand and visualize the general concepts described in this chapter. An overview of the example follows:
  • Defines field control characters that set the characteristics of panel fields.
  • Uses the field control characters to define a panel layout. The control character definition and the panel definition (the two parts together are called panel source) is saved in the REXX File System.
  • Uses the panel source to generate a panel object that is used to send or receive panels in a REXX program.

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Timestamp icon Last updated: Tuesday, 7 January 2014


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