ViewKit ObjectPak Programmer's Guide

Deriving Classes from VkApp

This section describes VkApp protected functions and data members that you can use in a VkApp subclass, and presents an example of subclassing VkApp to parse command-line options.

VkApp Protected Functions and Data Members

You can use VkApp::parseCommandLine() to parse command line options:

Supporting Busy States

This section describes ObjectPak's support for busy states. A busy state is when you lock out user input during an operation.

Entering and Exiting Busy States Using ViewKit ObjectPak

Whenever you expect a procedure to take considerable time to complete, you can call the VkApp::busy() function before entering the relevant region of code to lock out user input in all application windows:

Prerequisites

 

This guide assumes that you are already an experienced C++ programmer. It also assumes that you are generally familiar with OSF/Motif.

For a thorough discussion of the concepts on which the ObjectPak toolkit is based, see:

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