The Programmer's Referens Manual describes the interface to Proview for applications programs written in c and c++.

The java interface is not yet included in this manual.

The intended audience is

The application programmer who wants to write a program that attaches to the Proview realtime database or other Proview facilites.
Any user who wants to deepen his understanding of the system.
Proview developers who uses these API's to improve and extend the Proview functionallity.

Is is assumed that the reader has programming skills and some understanding of the c programming language.

This manual will give a description of the following API's

API	Description
Gdh Global Data Handler	The interface to the realtime database with objects, classes,subscriptions etc.
MhAppl MessageHandler API	Sending alarms and messages from application programs.
QCOM Queue Communication	Using the Proview communication protocol.
Time management	Functions to convert and compare time values.
Cdh Class definition handler	Convert and compare object attributes.
Errh System log messages	Print messages on system log.
Sevcli SEV Client interface	Storage environment client interface.
NMpsAppl NMps API	Interface to NMps Cell objects.
AProc Application process interface	Application process interface.
Net Network conversion functions	Network conversion functions.
rt_appl	A base class for applications i c++.

Python API