xsBasic Macro Development Add-in for the XESS Spreadsheet
The xsBasic Add-in provides an internal macro facility for the XESS Spreadsheet
on Linux, UNIX, OpenVMS, and Windows NT systems. The xsBasic
Add-In supports internal macros and end-user extensions to the
spreadsheet, ranging from simply automating repetitive tasks
or adding a new computational function to developing an entire
application with custom menus, dialogs, and file management.
The xsBasic language is based on widely-used object-oriented
versions of the BASIC programming language. It supports
cross-platform development of user functions, custom menus and
dialogs, and user applications within the XESS Spreadsheet
xsBasic Add-in Environment
The xsBasic Add-in is accessed with the XESS spreadsheet
from the Macro menu button on the main XESS menubar. The
implementation provides the underlying language
constructs, ability to create/save a macro, open an existing macro,
start macro execution, and stop macro execution. The xsBasic
Add-in also includes the macro recorder, macro editor, and symbolic debugger.
xsBasic macros can be saved with the workbook in a spreadsheet file (.XS4)
or exported to text files (.BAS).
The xsBasic Add-in works with other XESS options
and add-ins including the xsTrade Real-Time Market Data Add-In
and with custom extensions developed with the XESS API Toolkit.
xsBasic documentation is available for
xsBasic Language Features
Expressions in the xsBasic language include all the operators and
functions available to the XESS Spreadsheet, plus a few additional ones.
- OPTION EXPLICIT
- OPTION BASE
Subroutines and Functions
- FUNCTION...END FUNCTION
- SUB...END SUB
- PUBLIC and PRIVATE
Control Statements -- Testing and Looping
Input / Output
- LINE INPUT
xsBasic provides a collection of objects whose properties and methods
allow access to the XESS spreadsheet data and environment.
These let you control the computational and visual aspects of the
spreadsheet and its data.
A second collection of objects
define and manipulate menus, buttons, and dialogs. These objects
support nearly all the features available in the Motif environment.
Individual objects may have many properties and methods.
The major objects supported are:
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Applied Information Systems, Inc.
100 Europa Drive
Chapel Hill, NC 27514 USA