Client-side Programming Overview

September 17, 2012

The installation kit can be downloaded from www.psgsdk.com. By default, PSG is installed in the “Program Files” directory, and the start application will create a working directory for each computer user under the user profile in the “Application Data” directory.

After installing, the server address should be set into an available servers list in the login module. A server address has two parameters; the server/router IP or domain name and the server port (the server’s listening port or the router, if the address is translated – recommended option for Internet). The default main user interface will be downloaded from the server at first login (for each server that will be used).

All the PSG application modules will be downloaded from the server at first use or when new releases are installed on the server.

The client maintenance is close to zero. In the case in which the application requires new DLL, ActiveX controls, they will be installed using an installation kit.

Each PSG session starts with the user login when a session key is given to the client. Each PSG command sent to the server should be preceded by the session key.

The application programmer does not deal with the communications objects, as the specific commands are embedded into classes that should be used.

The PSG Client SDK contains all the necessary data to start programming a PSG based application (download from www.psgsdk.com ):

  • the installation Kit and instructions files
  • programming language specific manual
  • sample applications based on well known databases like MS. Nortwind SQL database sample.
  • templates and classes
  • distributable files

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