Shulou(Shulou.com)06/02 Report--

Editor to share with you the example analysis of VB.NET applications, I believe that most people do not know much about it, so share this article for your reference, I hope you will learn a lot after reading this article, let's go to know it!

The getting started guide to VB.NET applications is not intended to cover all aspects of the programming language. They are just a starting point for you to explore the language. We encourage you to follow the instructions in this tutorial because it includes different parts of the QuickSort application. You can also get the complete source code and project files. Visual Studio.NET (beta version 2 or later) is required to compile this sample application. Knowledge of VB is helpful but not necessary.

Start the project

Development work in Visual Studio is organized in the form of solutions, each containing one or more projects. In this tutorial, the solution we created includes a VB project. Visual Studio .NET has created a solution with a simple VB project. The project contains two files: assemblyinfo.vb and module1.vb.

The WriteLine () function of the System.Console class prints the string passed to it, followed by a new character. This function can accept parameters of many other data types, including integers and floats.

After the program is loaded, control is passed to the Main () function. That's why we inserted a call to WriteLine () in the process.

Program structure

Now that we have built a simple Hello World application, let's stop and analyze the basic components of the VB.NET application.

1. Source code comments

Single quotation marks mark the rest of the line as a comment so that the VB.NET compiler ignores it.

'This line is ignored by the compiler.

'This line is also ignored by Visual Basic .NET compiler.

2.Imports instruction

The .NET Framework provides many useful classes for developers. For example, the Console class handles input and output to the console window. These classes are organized in the form of hierarchical trees. The fully qualified name of the Console class is actually System.Console. Other classes include System.IO.FileStream and System.Collections.Queue.

The Imports directive allows you to reference a class in a namespace without using a fully qualified name. The code highlighted in italics applies the Imports directive.

Imports SystemModule Module1 Sub Main ()

System.Console.WriteLine ("Hello, Visual Basic .NET World!")

Console.WriteLine ("Hello, Visual Basic .NET World!") End Sub End Module

3. Module definition

In VB, all functions must be encapsulated in a class or module. A class can have multiple instances (with member variables and functions). However, the module contains only functions and cannot be instantiated. In the case of Hello World applications, the Module1 module contains a function, the Main () function.

The above is all the content of the article "sample Analysis of VB.NET applications". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.