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"Sai" là văn bản giao diện điều khiển trong ví dụ trên (bằng cách này, các giá trị mặc định của Integer là 0). Tùy thuộc vào nền tảng mục tiêu ứng dụng của bạn, nó có thể được an toàn hơn để sử dụng các phương pháp của lớp Chuyển đổi thay vì các diễn viên cổ điển Visual Basic | Table of Contents Visual Basic .NET The Complete Reference.1 Foreword.3 Acknowledgments.6 Introduction.8 Chapter 1.10 Chapter 2.10 Chapter 3.10 Chapter 4.11 Chapter 5.11 Chapter 6.12 Chapter 7.12 Chapter 8.12 Chapter 9.12 Chapter 10.13 Chapter 11.13 Chapter 12.13 Chapter 13.13 Chapter 14.14 Chapter 15.14 Chapter 16.14 Chapter 17.15 Conventions.15 Part I Introduction to Visual Basic .NET.16 Chapter List .16 Chapter 1 Software Development and Visual Basic .NET.17 Overview.17 Visual Basic and the Difficulty of Developing Software.17 Reducing Complexity and Time-to-Market with Reuse.18 Software Development and Software Engineering.18 The Classic Programming Models.19 Structured Programming.20 Bug-Reduced Code.21 Divide and Conquer.21 Reuse.21 Teaming.22 Structural Nada .22 Object-Based Programming.22 Object-Oriented Software Development .22 Real-World Reflections.24 What Makes a Pure Object-Oriented Language.25 Just Classes.25 Classes for Modularity Cohesion and Coupling.26 Classes for Abstraction.27 Classes for Encapsulation.27 Classes for Hiding Information.27 Classes for Classification.28 i Table of Contents Chapter 1 Software Development and Visual Basic .NET Class that Beget Classes Inheritance.29 Classes for Objects Instantiation.29 Classes for Association Aggregation and Composition.29 Classes for Events.30 Classes for Message Passing.30 Classes for Polymorphism.30 Classes for Interfaces.31 Frameworks.31 Patterns.32 Observations.33 Chapter 2 Visual Basic .NET and the .NET Framework.34 Overview.34 Getting to Know the Framework s Runtime.35 The Common Type System.35 The Common Language Specification.36 The Common Language Runtime.38 Microsoft Intermediate Language.40 Metadata.41 Executable Code .42 Managed Execution.42 Side-by-Side Execution.44 Application Domains.44 Automatic Memory Management.45 Just-in-Time Deployment .46 Understanding Assemblies.47 Locating Assemblies Anytime.48 What s in an Assembly.49 The Roles of the Assembly.53 Attributes Reflection and .
