Csharp to vb net

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Convert code from C# to VB.NET and vice versa using Roslyn

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icsharpcode/CodeConverter

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README.md

Convert code from VB.NET to C# (and vice versa) using Roslyn — all free and open source:

See wiki for advice on getting the best results, or the changelog for recent improvements.

Adds context menu items to convert projects/files between VB.NET and C#. See the wiki documentation for advice / help using it.

• Flexible: Convert a small selection, or a whole solution in one go, in either direction.
• Accurate: Full project context (through Roslyn) is used to get the most accurate conversion.
• Safe: Conversion runs entirely locally — your code doesn’t leave your machine.
• Completely free and open source GitHub project.
• Integrated: Uses the Output window to show conversion progress / summary.
• Actively developed: User feedback helps us continuously strive for a more accurate conversion.

Let us know what needs improving. If you want to get involved in writing the code yourself, even better! We’ve already had code contributions from several first time GitHub contributors, so don’t be shy! See Contributing.md for more info.

The VB -> C# conversion quality is much higher than the C# -> VB conversion quality. The use cases differ considerably as does the supply/demand of improvements.

Visual Basic .NET is slowly dying. It has support for some project types on .NET 5, but won’t be getting new features according to the .NET Team Blog. Hence the main use case for:

• VB->C#: moving whole projects
• C#->VB: help incorporate snippets from stack overflow into existing VB codebase, or to help learning one language from the other

Other ways to use the converter

• Latest CI build (potentially less stable):
  • See latest build
  • Uninstall current version, click on a build and download/install the VSIX file at the bottom of the page
  • See CodeConversion.ConvertDocumentUnhandledAsync or CodeConversion.ConvertProjectUnhandled in the VSIX project.
  • See ConverterController for a more web-focused API.

  Building/running from source

  1. Ensure you have .NET Core SDK 6.0
  2. Open the solution in Visual Studio 2022+ (Community edition is sufficient)
  3. To run the website, set CodeConverter.Web as the startup project
  • You will need Node (LTS) 16.* (node 17 introduces a breaking change causing ERR_OSSL_EVP_UNSUPPORTED)
  1. To run the Visual Studio extension, set Vsix as the startup project
     • A new instance of Visual Studio will open with the extension installed

  A spiritual successor of the code conversion within SharpDevelop and later part of Refactoring Essentials, the code converter was separated out to avoid difficulties with different Visual Studio and Roslyn versions.

  

  About

  Convert code from C# to VB.NET and vice versa using Roslyn

  Источник

  CSharp To VB Net: Practical Steps And Techniques

  

  Transitioning from CSharp to VB Net? This article breaks down the process, highlighting key differences between the two languages, practical code conversion examples, and solutions to common challenges. Perfect for developers looking to expand their .NET framework skills.

  CSharp and VB Net are both powerful languages in the .NET framework, each with its unique strengths. Transitioning from one to the other can seem daunting, but it doesn’t have to be.

  This article will help you understand the nuances of both languages and how to effectively transition your coding skills from CSharp to VB Net.

  

• Understanding CSharp And VB Net
• Key Differences Between CSharp And VB Net
• Transitioning From CSharp To VB Net
• Practical Examples Of Code Conversion
• Frequently Asked Questions

  Important disclosure: we’re proud affiliates of some tools mentioned in this guide. If you click an affiliate link and subsequently make a purchase, we will earn a small commission at no additional cost to you (you pay nothing extra). For more information, read our affiliate disclosure.

  Understanding CSharp And VB Net

  CSharp and VB Net are two prominent languages in the .NET framework. Both languages are designed to work with the .NET environment, and they can use the .NET libraries to create a variety of applications.

  CSharp, also known as C#, is a statically-typed, object-oriented language. It was developed by Microsoft and is similar to Java in its syntax.

  CSharp is widely used for developing desktop applications, web applications, and games. Here’s a simple example of a CSharp code snippet:

  On the other hand, VB Net (Visual Basic .NET) is a simple, modern, object-oriented, and type-safe programming language.

  It is an evolution of the classic Visual Basic language, with improvements to make it work with the .NET framework.

  VB Net is often used for Windows desktop applications and for scripting tasks. Here’s a similar «Hello, World!» program in VB Net:

  Public Class HelloWorld Public Shared Sub Main() System.Console.WriteLine("Hello, World!") End Sub End Class 

  Comparing Syntax

  When comparing the syntax of CSharp and VB Net, you’ll notice some differences. CSharp syntax is more concise and is similar to other C-style languages like C++ and Java. VB Net syntax is more verbose and is designed to be easily readable.

  For instance, the way you define a class in CSharp is:

  In VB Net, the equivalent code would be:

  Public Class MyClass ' Class members go here. End Class 

  Transitioning From CSharp To VB Net

  Transitioning from CSharp to VB Net involves understanding the key differences between the two languages and then applying this knowledge in practice.

  It’s not just about learning a new syntax, but also about adapting to a different way of thinking and coding.

  The first step in the transition is to familiarize yourself with the VB Net syntax.

  This includes understanding how to declare variables, define methods, handle events, and structure your code. For instance, here’s how you define a method in VB Net:

  Public Sub MyMethod() ' Method body goes here. End Sub 

  Converting CSharp Code To VB Net

  Next, you’ll need to learn how to convert your existing CSharp code to VB Net. There are online tools available that can help with this, but it’s important to understand the conversion process. For example, a CSharp method:

  Would be converted to VB Net as:

  Public Sub MyMethod() ' Method body goes here. End Sub 

  Finally, you’ll need to adapt to the unique features of VB Net, such as its background compiler and the ‘WithEvents’ and ‘Handles’ keywords for event handling.

  Transitioning from CSharp to VB Net is a process that requires time and practice. But with a solid understanding of the key differences between the two languages and a willingness to learn, you can make the transition smoothly and effectively.

  Practical Examples Of Code Conversion

  To better understand the transition from CSharp to VB Net, let’s look at some practical examples of code conversion. These examples will cover common coding scenarios and demonstrate how CSharp code can be translated into VB Net.

  Variable Declaration

  In CSharp, you declare a variable like this:

  In VB Net, the equivalent code would be:

  Dim myVariable As Integer = 10 

  Conditional Statements

  A simple if-else statement in CSharp looks like this:

  In VB Net, the equivalent code would be:

  If myVariable > 5 Then Console.WriteLine("Variable is greater than 5") Else Console.WriteLine("Variable is not greater than 5") End If 

  Loops

  A for loop in CSharp might look like this:

  In VB Net, the equivalent code would be:

  For i As Integer = 0 To 9 Console.WriteLine(i) Next 

  These examples illustrate the syntax differences between CSharp and VB Net. By practicing code conversion with these and other examples, you can become more comfortable with VB Net and make your transition smoother.

  Frequently Asked Questions

  Is VB Net Easier To Learn Than CSharp?

  This largely depends on your background. If you’re familiar with C-style languages, you might find CSharp easier. However, VB Net’s syntax is designed to be easily readable, which can be beneficial for beginners.

  Can I Use CSharp And VB Net Together In The Same Project?

  Yes, you can. Both languages compile to the same Intermediate Language (IL) and can use the .NET framework, so they can interoperate in the same project.

  What Are The Main Differences Between CSharp And VB Net?

  The main differences lie in their syntax, case sensitivity, error checking, and event handling. VB Net is not case-sensitive and has a background compiler, while CSharp is case-sensitive and checks for errors at compile time.

  Источник

  Csharp to vb net

  This forum has migrated to Microsoft Q&A. Visit Microsoft Q&A to post new questions.

  

  Answered by:

  Question

  Hi, I given below some code that in C# : this.Loaded += new RoutedEventHandler(Window_Loaded);
  chatListBoxNames.SelectionChanged += new SelectionChangedEventHandler(chatListBoxNames_SelectionChanged);
  chatTxtBoxType.KeyDown +=new KeyEventHandler(chatTxtBoxType_KeyDown);
  chatTxtBoxType.KeyUp +=new KeyEventHandler(chatTxtBoxType_KeyUp);
  proxy.InnerDuplexChannel.Faulted += New EventHandler(AddressOf InnerDuplexChannel_Faulted)
  proxy.InnerDuplexChannel.Opened += New EventHandler(AddressOf InnerDuplexChannel_Opened)
  proxy.InnerDuplexChannel.Closed += New EventHandler(AddressOf InnerDuplexChannel_Closed) proxy.ConnectCompleted += New EventHandler(Of ConnectCompletedEventArgs)(AddressOf proxy_ConnectCompleted) proxy.SendFileCompleted += New EventHandler(Of SendFileCompletedEventArgs)(AddressOf proxy_SendFileCompleted) but i am not understanding that how to convert this into VB.NET Code Please Let me know how to convert it? Regards Balram

  Answers

  AddHandler Loaded, AddressOf Window_Loaded AddHandler chatListBoxNames.SelectionChanged, AddressOf chatListBoxNames_SelectionChanged AddHandler chatTxtBoxType.KeyDown, AddressOf chatTxtBoxType_KeyDown AddHandler chatTxtBoxType.KeyUp, AddressOf chatTxtBoxType_KeyUp

  Convert between VB, C#, C++, & Java (http://www.tangiblesoftwaresolutions.com)
  Instant C# — VB to C# Converter
  Instant VB — C# to VB Converter

  • Edited by Dave Doknjas Saturday, December 8, 2012 3:15 PM
  • Proposed as answer by Pieter Geerkens Saturday, December 8, 2012 3:39 PM
  • Marked as answer by Balram Sharma Monday, December 10, 2012 11:16 AM

  Источник