Inside Macintosh: Programmer's Guide to MacApp / Part 2 - Working With MacApp

Chapter 19 -
Working With Dialog Boxes
and Controls

This chapter includes recipes and sample code that demonstrate how to

• work with dialog boxes and controls (a general outline)
• respond to user actions in a control view (two recipes)
• display a modal dialog box

Dialog boxes and controls are described in detail beginning on page 239 in Chapter 8, "Displaying, Manipulating, and Printing Data."

For related information, see "Recipe--Changing the Current Target Object and Performing Validation," beginning on page 339, and also Chapter 17, "Working With Views."

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Chapter Contents

Overview

Recipes--Dialog Boxes and Controls

Working With Dialog Boxes and Controls--A General Outline

Recipe--Responding to User Actions in a Control View

Define a Subclass for the Control View

Implement a DoEvent Method

Recipe--An Alternative Approach to User Actions in a Control

Define a Unique Constant for Each Event You Will Handle

Define a View Resource for Your Dialog View

Override the DoEvent Method in Your Subclass of TDialogView

Recipe--Displaying a Modal Dialog Box

Define a 'View' Resource for the Dialog-Box Window Hierarchy

Create, Display, and Close the Dialog Box

Call the Window's PoseModally Method to Display the Dialog Box

Call the Window's Close Method