Syntax of DISPLAY ARRAY instruction

The DISPLAY ARRAY instruction controls the display of a program array on the screen.

Syntax

DISPLAY ARRAY array TO screen-array.*
  [ HELP help-number ]
  [ {ATTRIBUTE|ATTRIBUTES} ( { display-attribute
                   | control-attribute }
                       [,...]) ]
  [  dialog-control-block
  [...] 
END DISPLAY ]

where dialog-control-block is one of:

{ BEFORE DISPLAY
| AFTER DISPLAY
| BEFORE ROW
| AFTER ROW
| ON IDLE seconds
| ON TIMER seconds
| ON ACTION action-name
             [ {ATTRIBUTE|ATTRIBUTES} ( action-attributes-display-array ) ]
| ON FILL BUFFER
| ON SELECTION CHANGE
| ON SORT
| ON APPEND [ {ATTRIBUTE|ATTRIBUTES} ( action-attributes-listmod-triggers ) ]
| ON INSERT [ {ATTRIBUTE|ATTRIBUTES} ( action-attributes-listmod-triggers ) ]
| ON UPDATE [ {ATTRIBUTE|ATTRIBUTES} ( action-attributes-listmod-triggers ) ]
| ON DELETE [ {ATTRIBUTE|ATTRIBUTES} ( action-attributes-listmod-triggers ) ]
| ON EXPAND ( row-index )
| ON COLLAPSE ( row-index )
| ON DRAG_START ( dnd-object )
| ON DRAG_FINISH ( dnd-object )
| ON DRAG_ENTER ( dnd-object )
| ON DRAG_OVER ( dnd-object )
| ON DROP ( dnd-object )
| ON KEY ( key-name [,...] )
}
  dialog-statement
  [...]
where action-attributes-display-array is:
{ TEXT = string
| COMMENT = string
| IMAGE = string
| ACCELERATOR = string
| DEFAULTVIEW = { YES | NO | AUTO }
| CONTEXTMENU = { YES | NO | AUTO }
| ROWBOUND
    [,...] }
where action-attributes-listmod-triggers is:
{ TEXT = string
| COMMENT = string
| IMAGE = string
| ACCELERATOR = string
| DEFAULTVIEW = { YES | NO | AUTO }
| CONTEXTMENU = { YES | NO | AUTO }
    [,...] }
where dialog-statement is one of:
{ statement
| ACCEPT DISPLAY
| EXIT DISPLAY
| CONTINUE DISPLAY 
| NEXT FIELD  { CURRENT | NEXT | PREVIOUS | field-spec }
}
where display-attribute is:
{ BLACK | BLUE | CYAN | GREEN
| MAGENTA | RED | WHITE | YELLOW
| BOLD | DIM | INVISIBLE | NORMAL
| REVERSE | BLINK | UNDERLINE
}
where control-attribute is:
{ ACCEPT [ = boolean ]
| CANCEL [ = boolean ]
| KEEP CURRENT ROW [ = boolean ]
| HELP = help-number
| COUNT = row-count
| UNBUFFERED [ = boolean ]
| FOCUSONFIELD
| CURRENT ROW DISPLAY = current-row-attributes
}
  1. array is a static or dynamic array containing the records you want to display.
  2. screen-array is the name of the screen array used to display data.
  3. help-number is an integer that associates a help message number with the instruction.
  4. action-name identifies an action that can be executed by the user.
  5. seconds is an integer literal or variable that defines a number of seconds.
  6. row-index identifies the program variable which holds the row index corresponding to the tree view node that has been expanded or collapsed.
  7. dnd-object references a ui.DragDrop variable defined in the scope of the dialog.
  8. key-name is an hot-key identifier (such as F11 or Control-z).
  9. statement is any instruction supported by the language.
  10. row-count defines the total number of rows for a static array.
  11. boolean is a boolean expression that evaluates to TRUE or FALSE.
  12. action-attributes are dialog-specific action attributes.
  13. current-row-attributes is a string expression of a comma-separated list of display-attribute keywords.