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 ]
  [ 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
             [ ATTRIBUTES ( action-attributes-display-array ) ]
| ON FILL BUFFER
| ON SELECTION CHANGE
| ON SORT
| ON APPEND [ ATTRIBUTES ( action-attributes-listmod-triggers ) ]
| ON INSERT [ ATTRIBUTES ( action-attributes-listmod-triggers ) ]
| ON UPDATE [ ATTRIBUTES ( action-attributes-listmod-triggers ) ]
| ON DELETE [ 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
| EXIT DISPLAY
| CONTINUE DISPLAY 
| ACCEPT DISPLAY
}

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 ]
| DETAILACTION = action-name
| DOUBLECLICK = action-name
| ACCESSORYTYPE = { DETAILBUTTON | DISCLOSUREINDICATOR | CHECKMARK }
}

array is a static or dynamic array containing the records you want to display.
screen-array is the name of the screen array used to display data.
help-number is an integer that associates a help message number with the instruction.
action-name identifies an action that can be executed by the user.
seconds is an integer literal or variable that defines a number of seconds.
row-index identifies the program variable which holds the row index corresponding to the tree view node that has been expanded or collapsed.
dnd-object references a ui.DragDrop variable defined in the scope of the dialog.
key-name is an hot-key identifier (such as F11 or Control-z).
statement is any instruction supported by the language.
row-count defines the total number of rows for a static array.
boolean is a boolean expression that evaluates to TRUE or FALSE.
action-attributes are dialog-specific action attributes.