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  • Book Overview & Buying Microsoft Visual C++ Windows Applications by Example
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Microsoft Visual C++ Windows Applications by Example

Microsoft Visual C++ Windows Applications by Example

By : Stefan Bjornander, Stefan Björnander
3.7 (21)
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Microsoft Visual C++ Windows Applications by Example

Microsoft Visual C++ Windows Applications by Example

3.7 (21)
By: Stefan Bjornander, Stefan Björnander

Overview of this book

Table of Contents (15 chapters)
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Microsoft Visual C++ Windows Applications by Example
Credits
About the Author
About the Reviewer
Preface
1
Index

Chapter 7. The Draw Application

In this chapter, we will deal with a drawing program. It is capable of drawing lines, arrows, rectangles, and ellipses. It is also capable of writing and editing text, cut-and-paste figures as well as saving and loading the drawings. The following screenshot depicts a classic example of the Draw Application:

  • We start by generating the application's skeleton code with the Application Wizard. The process is similar to the Ring application code.

  • The figures are represented by a class hierarchy. The root class is Figure. It is abstract and has a set of pure virtual methods that are to be defined by its sub classes. It has one abstract sub class TwoDimensionalFigure.

  • There are five concrete sub classes in the hierarchy: LineFigure, ArrowFigure, RectangleFigure, EllipseFigure, and TextFigure. There is also the class FigureFileManager that handles the file management of the figures.

  • The document class manages the data of the drawing. It has a list to keep track of the...

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