June 2006
Intermediate to advanced
1344 pages
42h 52m
English
book
Visual Basic 2005 for Programmers: Deitel Developer Series, Second Edition
by Paul J. Deitel - Deitel & Associates, Inc., Harvey M. Deitel - Deitel & Associates, Inc.
Content preview from Visual Basic 2005 for Programmers: Deitel Developer Series, Second Edition
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9.2. Time Class Case Study
We begin with a substantial application that uses most of the object-oriented programming concepts presented in Chapters 4 through 8. We introduce the Object class, the ultimate “ancestor” of all classes in Visual Basic. Also, we explain method ToString, which can be used to obtain a String representation of any Visual Basic object.
Time Class Declaration
The application consists of classes Time (Fig. 9.1) and FrmTimeTest (Fig. 9.2). Class Time contains the information needed to represent a specific time in two popular formats. Class FrmTimeTest represents a GUI for class Time.
Figure 9.1. Time class declaration maintains the time in 24-hour format.
1 ' Fig. 9.1: Time.vb 2 ' Represents time to clients in 12-hour and ... |
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