Visual Basic 2005 Design and Development - Chapter 21 pptx

... stops work and dis- plays the parts of the image that it has built so far. Figure 2 1-3 shows the program after it has generated just over one-half of an image. Figure 2 1-3 : Program MandelbrotBackground ... responsiveness (and possibly performance), threading has some seri- ous drawbacks. The biggest disadvantage to multi-threading is that it is confusing. Multi-threading code is mo...

Ngày tải lên: 14/08/2014, 11:20

... catch and handle errors. It tells where you should put error-han- dling code, how you can catch otherwise unhandled errors, and what you might want to do when those unhandled errors occur. Chapter ... contain error handling to make the application crash-proof. Global Error Handling One problem with this wait-for-the-bug technique is that it requires that you add a lot of error-handling...

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... version of Visual Basic such as Visual Basic 6. The changes between Visual Basic 6 and Visual Basic .NET are huge, and many Visual Basic .NET con- cepts don’t translate well into Visual Basic 6. ... 3 Part I Design In this Part: Chapter 1 Language Selection Chapter 2 Lifecycle Methodologies Chapter 3 Agile Methodologies Chapter 4 Object-Oriented Design...

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... additional changes to the design. You need to discard the design for the hash table and design a priority queue. You’ll need to change both the high- and low-level designs. You’ll also probably ... through the Design- Implementation-Testing cycle may or may not produce a new version of the application. Figure 2-9 : In Staged Delivery, each trip through the Design- Implementation-...

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... without. Both this chapter and Chapter 2 focused on control of the development process at a high level. Chapter 4, “Object-Oriented Design, ” turns to the lower-level task of object-oriented design. This is ... One approach to achieving that goal is test-driven development. In test-driven development (also called test-first development) , you write the tests first, and then...

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... Linux, Unix, Java VM, and MacOS), and are intended for use with an assortment of languages and development environments (such as Java, Delphi, Smalltalk, Visual Studio, and Visual Basic) . Microsoft’s ... and design precisely so that you can study it and develop a common understand- ing with users, other designers, and developers. It’s not to create a bunch of diagrams...

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... redraws. 125 Chapter 5: User-Interface Design 09_053416 ch05.qxd 1/2/07 6:30 PM Page 125 User-Interface Design Chapter 4, “Object-Oriented Design, ” explored issues in high-level object-oriented design. ... providing textual representations, non-mouse alternatives for perform- ing actions, and hints and guides to reduce the user’s memory load. 103 Chapter 5: User-Interface De...

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... Server. 139 Chapter 6: Data Storage Design 10_053416 ch06.qxd 1/2/07 6:30 PM Page 139 ❑ Beginning Visual Basic 2005 Databases by Thearon Willis (Indianapolis: Wrox, 2005) ❑ Visual Basic Database ... key file. Open a command window (select the Start menu’s Run command, type cmd, and press Enter) and go to the assembly’s directory. At the command prompt, enter a com- mand si...

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... Person).Compare 199 Chapter 7: Design Patterns 11_053416 ch07.qxd 1/2/07 6:31 PM Page 199 Part II Meta -Development In this Part: Chapter 8 Snippets, Macros, and Add-ins Chapter 9 Scripting Chapter 10 ... information on “classic” design patterns, see a book about them such as Design Patterns by Gamma et. al (Boston: Addison-Wesley, 1995) or Visual Basic Design Patterns...

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... write the add-in. Select the Visual Basic option and click Next. Figure 8-1 4: The Add-in Wizard helps. Figure 8-1 5: Select Visual Basic to write the add-in using Visual Basic. 223 Chapter 8: Snippets, ... CType(vsCommandStatus.vsCommandStatusSupported, Integer) + _ CType(vsCommandStatus.vsCommandStatusEnabled, Integer), _ vsCommandStyle.vsCommandStylePictAndText, _ vsCo...

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