Structure of the Blocks in a Program

Program sources contain a top-level block called PGM.

This block will automatically contain the blocks DECL PGM and INIT PGM:

• the DECL PGM block is used to declare the program's global variables (Visual Adelia or Adelia Web programs),

• the INIT PGM block is the program's entry point.

The PGM block may also contain the following block types:

• PAGE (with Web sources),

• WINDOW (with interactive Visual Adelia sources),

• TRANSACTION (with interactive Adelia sources),

• BREAK,

• PROCEDURE,

• CHANGE PAGE (with batch Visual Adelia programs),

• BACK PGM (with Web sources).

All these blocks let you manage the corresponding source (letting you work with a window, break, procedure or page change).

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