How would you define ISPF Dialog Manager Language?
ISPF Dialog Manager Language is a high-level programming language used to create dialogues between an application and a user. It is part of IBM's Interactive System Productivity Facility and is used to create, test, and debug dialogues.
What are the key components of ISPF Dialog Manager Language?
The key components of ISPF Dialog Manager Language include panels, skeletons, tables, messages, and libraries. Panels define the user interface, skeletons are templates for generating data, tables store and retrieve data, messages provide user feedback, and libraries store these components.
Describe the difference between a panel and a skeleton in ISPF Dialog Manager Language.
A panel in ISPF Dialog Manager Language is used to define the user interface, including the layout and the fields for user input. A skeleton, on the other hand, is a template used to generate data. It can contain variables that are replaced with actual values when the skeleton is used.
How would you create a table in ISPF Dialog Manager Language?
To create a table in ISPF Dialog Manager Language, you would use the TBOPEN service to open a new or existing table, the TBADD or TBPUT services to add or update rows, and the TBCLOSE service to close the table.
What are the steps to debug a dialogue in ISPF Dialog Manager Language?
To debug a dialogue in ISPF Dialog Manager Language, you would first set the debug level using the SET DLEVEL command. Then, you would run the dialogue and use the DISPLAY, TRACE, and VGET services to inspect the values of variables and the execution of services. Finally, you would use the SET MSG command to control the display of messages.
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