console-application

Why is the console window closing immediately once displayed my output?

the issue here is that their Hello World Program is showing up then it would immediately close. why is that? Because it’s finished. When console applications have completed executing and return from their main method, the associated console window automatically closes. This is expected behavior. If you want to keep it open for debugging purposes, … Read more

How to write Unicode characters to the console?

It’s likely that your output encoding is set to ASCII. Try using this before sending output: Console.OutputEncoding = System.Text.Encoding.UTF8; (MSDN link to supporting documentation.) And here’s a little console test app you may find handy: C# using System; using System.Text; public static class ConsoleOutputTest { public static void Main() { Console.OutputEncoding = System.Text.Encoding.UTF8; for (var … Read more

Using UTF-8 Encoding (CHCP 65001) in Command Prompt / Windows Powershell (Windows 10)

Note: This answer shows how to switch the character encoding in the Windows console to UTF-8 (code page 65001), so that shells such as cmd.exe and PowerShell properly encode and decode characters (text) when communicating with external (console) programs with full Unicode support, and in cmd.exe also for file I/O.[1] If, by contrast, your concern … Read more

How to make win32 console recognize ANSI/VT100 escape sequences?

[UPDATE] For latest Windows 10 please read useful contribution by @brainslugs83, just below in the comments to this answer. While for versions before Windows 10 Anniversary Update: ANSI.SYS has a restriction that it can run only in the context of the MS-DOS sub-system under Windows 95-Vista. Microsoft KB101875 explains how to enable ANSI.SYS in a … Read more

How can I get the application’s path in a .NET console application?

System.Reflection.Assembly.GetExecutingAssembly().Location1 Combine that with System.IO.Path.GetDirectoryName if all you want is the directory. 1As per Mr.Mindor’s comment: System.Reflection.Assembly.GetExecutingAssembly().Location returns where the executing assembly is currently located, which may or may not be where the assembly is located when not executing. In the case of shadow copying assemblies, you will get a path in a temp directory. … Read more

Can’t specify the ‘async’ modifier on the ‘Main’ method of a console app

As you discovered, in VS11 the compiler will disallow an async Main method. This was allowed (but never recommended) in VS2010 with the Async CTP. I have recent blog posts about async/await and asynchronous console programs in particular. Here’s some background info from the intro post: If “await” sees that the awaitable has not completed, … Read more

How can i make my own command to my first console application in VB.NET? [closed]

Console.ReadLine will block execution until the user has pressed the enter key. It then returns the full string of whatever the user typed on that line. You can then write conditional code which acts on whatever that returns. So, for instance: Dim input As String = Console.ReadLine() If input = “Hello World” Then Console.WriteLine(“Hello to … Read more