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This course teaches you Visual Basic language syntax, program structure, and implementation by using Microsoft Visual Studio 2010 and the Microsoft .NET Framework 4.
This course provides a solid foundation in Visual Basic to the level necessary to enable students to attend other courses in the Technical Specialist tracks.
After completing this course, students will have been taught information how to:
- Describe the purpose of the .NET Framework, and explain how to use Microsoft Visual Basic and Visual Studio 2010 to build .NET Framework applications.
- Describe the syntax of basic Visual Basic programming constructs.
- Describe how to create and call methods.
- Describe how to catch, handle, and throw exceptions.
- Describe how to perform basic file I/O operations in a Visual Basic application.
- Describe how to create and use new types (enumerations, classes, and structures), and explain the differences between reference types and value types.
- Describe how to control the visibility and lifetime of members in a type.
- Describe how to use inheritance to create new reference types.
- Describe how to manage the lifetime of objects and control the use of resources.
- Describe how to create properties and indexers to encapsulate data, and explain how to define operators for this data.
- Describe how to decouple an operation from the method that implements it, and explain how to use these decoupled operations to handle asynchronous events.
- Describe the purpose of collections, and explain how to use generics to implement type-safe collection classes, structures, interfaces, and methods.
- Describe how to implement custom collection classes that support enumeration.
- Describe how to query in-memory data by using Language-Integrated Query (LINQ) queries.
- Describe how to integrate code written by using a dynamic language such as Ruby and Python, or technologies such as Component Object Model (COM), into a Visual Basic application.
This course is intended for experienced developers who already have programming experience in Visual Basic, C, C++, C#, or Java, and understand the concepts of Object Oriented Programming. These developers will be likely to develop enterprise business solutions.
These professional developers will be attending the course so that they can quickly ramp up on Visual Basic Programming in the .NET Framework. The course focuses on Visual Basic program structure, language syntax, and implementation details with the .NET Framework 4.0. This course also focuses on new enhancement in the Visual Basic 2010 language using Visual Studio 2010.
This course requires that you meet the following prerequisites:
- This course is targeted at developers who already have Visual Basic knowledge.
- This course is not for new developers; at least 12 months experience working with an Object Oriented language is expected.
- Creating classes
- Inheritance and abstraction
- Experience with the Microsoft .NET Framework
- Knowledge of the Visual Studio integrated development environment (IDE).
Module1: Introducing Visual Basic and the .NET FrameworkThismodule describes the purpose of the .NET Framework 4 and how you can buildapplications by using Visual Studio 2010.Lessons
Module2: Using Visual Basic Programming ConstructsThismodule introduces many of the basic Visual Basic language data types andprogramming constructs, and describes the syntax and semantics of theseconstructs.Lessons
- Introduction to the .NET Framework 4
- Creating Projects Within Visual Studio 2010
- Writing a Visual Basic Application
- Building a Graphical Application
- Documenting an Application
- Debugging Applications by Using Visual Studio 2010
Module3: Declaring and Calling MethodsAkey part of developing any application is dividing the solution into logicalcomponents. In object-oriented languages such as Microsoft Visual Basic, amethod is a unit of code that is designed to perform a discrete piece of work.This module introduces methods and describes how to define and use them.Lessons
- Declaring Variables and Assigning Values
- Using Expressions and Operators
- Creating and Using Arrays
- Using Decision Statements
- Using Iteration Statements
Module4: Handling ExceptionsExceptionhandling is an important concept and your applications should be designed withexception handling in mind. This module explains how you can implementeffective exception handling in your applications, and how you can useexceptions in your methods to elegantly indicate an error condition to the codethat calls your methods.Lessons
- Defining and Invoking Methods
- Specifying Optional Parameters and ByRef Parameters
Module5: Reading and Writing FilesTheability to access and manipulate the files on the file system is a commonrequirement for many applications. This module shows how to read and write tofiles by using the classes in the Microsoft .NET Framework. This module alsodescribes the different approaches that you can take, and how to read and writedifferent formats of data.Lessons
- Handling Exceptions
- Raising Exceptions
Module6: Creating New TypesTheMicrosoft.NET Framework base class library consists of many types that you canuse in your applications. However, in all applications, you must also buildyour own types that implement the logic for your solution.Thismodule explains how to create your own modules and types and describes thedifferences between reference types and value types.Lessons
- Accessing the File System
- Reading and Writing Files by Using Streams
Module7: Encapsulating Data and MethodsThismodule describes how to use some of the access modifiers that Visual Basicprovides to enable you to implement encapsulation. This module also introducesthe Shared modifier, which enables you to define members that can be sharedover multiple instances of the same type.Lessons
- Creating and Using Modules and Enumerations
- Creating and Using Classes
- Creating and Using Structures
- Comparing References to Values
Module8: Inheriting from Classes and Implementing InterfacesThismodule introduces inheritance and interfaces in the Microsoft .NET Framework,and how you can use them to simplify complex problems, reduce code duplication,and speed up development.Inheritanceis a key concept in an object-oriented language. You can use inheritance,interfaces, and abstract classes to develop object hierarchies in your code.These object hierarchies can help reduce bugs by defining clear contracts forwhat a class will expose and by providing default implementations where you cansensibly abstract code into a base type.Lessons
- Controlling Visibility of Type Members
- Sharing Methods and Data
Module9: Managing the Lifetime of Objects and Controlling ResourcesAllapplications use resources. When you build a Microsoft Visual Basicapplication, resources fall into two broad categories: managed resources thatare handled by the common language runtime (CLR) and unmanaged resources thatare maintained by the operating system outside the scope of the CLR. A managedresource is typically an object based on a class defined by using a managedlanguage, such as Visual Basic. Examples of unmanaged resources include itemsimplemented outside the Microsoft .NET Framework, such as Component ObjectModel (COM) components, file handles, database connections, and networkconnections.Resourcemanagement is important in any applications that you develop. The NET Frameworksimplifies resource management by automatically reclaiming the resources by amanaged object when it is no longer referenced by an application. Managedresources are handled by the .NET Framework garbage collector. However,unmanaged resources are not controlled by the garbage collector; you must takespecial steps to dispose them properly and prevent them from being held longerthan necessary.Lessons
- Using Inheritance to Define New Reference Types
- Defining and Implementing Interfaces
- Defining Abstract Classes
Module10: Encapsulating Data and Defining Overloaded OperatorsManyoperators have well-defined behavior for the built-in Visual Basic types, butyou can also define operators for your own types. This module describes how toimplement operators for your types by using overloading.Lessons
- Introduction to Garbage Collection
- Managing Resources
Module11: Decoupling Methods and Handling EventsThismodule explains how to decouple an operation from the method that implements itand how to use anonymous methods to implement decoupled operations. This modulealso explains how to use events to inform consuming applications of a change ornotable occurrence in a type.Lessons
- Creating and Using Properties
- Creating and Using Indexers
- Overloading Operators
Module12: Using Collections and Building Generic TypesThebasic collection classes introduce a new problem. Classes that act on othertypes are often not type-safe. For example, many collection classes frequentlyuse the Object type to store items, and must then be cast or converted back totheir original type before they can be used. It is the programmer’sresponsibility to ensure that the correct casts or conversions are performed,and it is easy to introduce errors by casting or converting an item to thewrong type. This module introduces generics and how you can use generic classesto maintain type-integrity and avoid issues that are associated with a lack oftype safety.Lessons
- Declaring and Using Delegates
- Using Lambda Expressions
- Handling Events
Module13: Building and Enumerating Custom Collection ClassesWhenyou develop applications, you often need to store collections of objects. Inmany circumstances, you can use the collection classes that the Microsoft .NETFramework includes; however, sometimes these collection classes do not providethe functionality that you require. For example, you may need to store objectsin a sorted order that is based on a custom sorting algorithm.Thismodule introduces you to custom collection classes. It also explains how youcan develop collection classes that support the language constructs that VisualBasic provides, such as enumeration and collection initialization.Lessons
- Using Collections
- Creating and Using Generic Types
- Defining Generic Interfaces and Understanding Variance
- Using Generic Methods and Delegates
Module14: Using LINQ to Query DataThismodule introduces you to Language-Integrated Query (LINQ) queries and explainshow you can use them to process data in your Microsoft .NET Frameworkapplications. This module also explains the difference between shared anddynamic LINQ queries, and describes how you can use dynamic LINQ to createhighly flexible queries that you build at run time.Lessons
- Implementing a Custom Collection Class
- Adding an Enumerator to a Custom Collection Class
Module15: Integrating Visual Basic Code with Dynamic Languages and COM ComponentsIntegrationwith other technologies is a key feature of the Microsoft.NET Framework.Previous versions of the .NET Framework enabled you to combine components thatwere developed by using different languages that have compilers that the .NETFramework supports. The .NET Framework 4 now supports integration of componentsbuilt by using dynamic languages. This enables you to re-use items built byusing a wide range of scripting languages that are not easily accessible fromMicrosoft Visual Basic code.Inaddition, previous versions of the .NET Framework have always enabled you tointegrate Component Object Model (COM) services and components into yourmanaged applications. The integration did however, require a good understandingof the differences between the way in which the common language runtime (CLR)and the COM environment operated. The new features of Visual Basic 2010 havesimplified the way in which you can invoke COM components, so it is easier foryou to re-use these items in a Visual Basic application.Thismodule describes how to integrate code written by using a dynamic language suchas Ruby and Python, or technologies such as COM, into a Visual Basicapplication.Lessons
- Using the LINQ Extension Methods and Query Operators
- Building Dynamic LINQ Queries and Expressions
- Integrating Visual Basic Code with Ruby and Python
- Accessing COM Components from Visual Basic