Visual C++ and MFC Programming 2nd Edition

Chapter 12: Dialog-Based Windows Visual C++ and MFC Fundamentals

This (blue dotted) rectangle allows you to effectively control the area available to your

controls. To set the location and dimensions of the available area, click one of the (blue

dotted) rectangle borders or corners and drag in the desired direction. If a control is

positioned on a border that is moving, the control would be repositioned accordingly:

After setting the (blue dotted) rectangular location and area, you can add but cannot move

a control outside of that (blue dotted) rectangle. The idea is to allow you to design a

control or a group of controls in a (temporary) confined area. The (blue dotted) rectangle

provides an effective means of aligning controls. After using it, if you want to add and

manipulate controls outside of it, you should display the grids.

Practical Learning: Adding Controls to a Dialog Box

1. Create a new dialog-based application and name it Dialog11a


2. Click the Toggle Grid button