Table of Contents

BREAK Command — Transfer control out of a loop structure.

CALL Command — Execute a specified logic block.

CLEAR Command — Clear data or screen reference items.

COMMENT Command — Insert a comment in a logic block.

CONTINUE Command — Transfer control to the beginning of a loop structure.

CONTROL Command — Execute a control command.

DATAMODEL Command — Modify datamodel and matching database table.

DISPLAY Command — Display the contents of a data reference in a linked screen widget or (re)sets the color.

ELSE Command — Execute a logic block if no conditions are met.

ELSEIF Command — Test for an alternative condition if previous condition is not met.

ENDFOR Command — End of a loop structure.

ENDIF Command — End of a conditional logic block.

ERROR Command — Display an error message.

FOCUS Command — Causes a screen widget to have the keyboard focus.

FOR Command — Execute a block of logic commands a specified number of times.

FOREACH Command — Return data rows of a returned datamodel.

FOREVER Command — Execute a block of logic commands an unlimited number of times.

IF Command — Test for a condition.

LET Command — Assign a value to a data reference.

LIST Command — Build and manage multi column list boxes.

MESSAGE Command — Display message on statusbar.

NIL Command — Do nothing.

PARAMETER Command — Declare parameters for passed values into a logic block.

PROGRESS Command — Visual progress indicator.

REPOSITORY Command — Command interface to application repository.

RESPONSE Command — Set the response object used when using the web interface.

RETURN Command — Transfer control out of a logic block.

RUN Command — Execute an operating system command.

SCREEN Command — Display/close (container) screen or set title.

SLEEP Command — Pause for a number of seconds.

SQL Command — Execute an SQL query.

TEXT Command — Process text documents.

TRANSACTION Command — Safeley execute SQL command within a transaction environment.

THREAD Command — Start or stop 4GL logic in a thread.

XML Command — Process XML documents.