ProLinga

Table of Contents

I. 4GL Logic Commands

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.

II. Action Handlers

III. Data Reference Items

IV. Built-In Functions

V. Base Objects

VI. System Objects

Application Object — Application specific settings.

System Object — System wide environment settings.

User Object — User information.

Version Object — Specific version of an application.

VII. Application Objects

Blob Object — Storage of binary objects.

Constant Object — Contains static value.

DataDictionary Object — Data of data items.

DataModel Object — Holds data returned using SQL command.

DataSource Object — Source of the user data.

ErrorDialog Object — Contains error information.

Index Object — Fields of an index.

ListStore Object — Definitions for multi column list boxes.

Logic Object — Holds 4GL logic.

PickList Object — List of options.

Record Object — Collection of data dictionaries for data file.

RunControl Object — XML generated document from 4GL logic.

Screen Object — Holds window and dialog information.

Table Object — Collection of records and indices.

TextDocument Object — Can hold any type of text document.

Thread Object — Contains logic name to be run as thread.

Variable Object — Contains dynamic data.

VariableGroup Object — Collection of data dictionaries to hold data.

XmlDocument Object — Holds XML documents.

VIII. Error and Status

IX. REPOSITORYSTATUS

X. SQLSTATUS

XI. THREADSTATUS

XII. TEXTSTATUS

XIII. XMLSTATUS

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