XESS Connections C API Toolkit

Using the XESS Connections Application Programming Interface (API) Toolkit, a client/server application can be fully integrated with the XESS spreadsheet, appearing to the user as a single unified application. This Connections API lets your program remotely control all aspects of the spreadsheet, including drawing graphs, printing, and calculating. XESS becomes your application's user interface, greatly reducing your development time and cost.

The API also provides the basis for extensions to XESS developed by AIS and by other suppliers. These extensions range from factory automation to financial trading to parametric design to third-party database interfaces.

XESS Connections Application Programming Interface (API) provides a flexible and powerful C programming interfaces based on X Windows protocol which allows XESS to be customized, extended, and even tightly integrated with other products or applications. In client/server models, XESS can function as either client or server. The XESS Connections API gives you the following programmatic control over the XESS spreadsheet:

Invoke essentially the same level of functionally as you can using the XESS spreadsheet interactively.
Add application-specific menus and pull-down operations to the XESS main menu.
Add application-specific @-functions.
Replace the standard XESS menus and pull-down operations with application-specific menus and callback functions.
Achieve process-to-process communication with other X Windows programs anywhere on your network.
Incorporate real-time two-way updates with live data connections anywhere on your network.
Enable widget-like integration of the XESS spreadsheet.
Merge event loops.

An XESS spreadsheet accommodates incoming and outgoing connections to 63 different programs at the same time, offering vast possibilities for using XESS in very sophisticated applications.

Consider the potential for using connections in your work -- for having XESS accept, process, display, and transfer information to and from other programs in real-time. That is, the data will be continually updated on screen as you watch. For example, you can:

use XESS to custom-design a form to display financial trading information, updated in real-time, and to compute complex analysis functions.
create a spreadsheet that organizes and displays process-control data (e.g. monitoring and controlling water flow in a water treatment plant) in a format of your design, then pass that data to other programs for other purposes.
continuously monitor quality-control data fed from a manufacturing process or scientific data from a laboratory instrument in any format you define.
create your own built-in functions and call them from an XESS spreadsheet.
pass extremely demanding calculations to a supercomputer that can calculate many times faster than your workstation, then pass the results back to your workstation.
conduct continuous statistical analyses of an ever-changing population sample.
use the XESS technology as an intelligent front-end and/or full-function spreadsheet component for host products/applications.
use XESS as an alternative to a static table interface and get the added benefit of all XESS technology which can be used to extend the underlying functionality of its host environment.

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