Application console

Liens

• Command Line Parser Library

Code

using System; namespace MonNS { class MaClasse { public static void Main(string[] args) { Console.WriteLine(""); } } }

Read input

ConsoleKeyInfo keyInfo = Console.ReadKey(true); if (keyInfo.Key == ConsoleKey.Escape) { }

Masquer la saisie d'un mot de passe

public static string ReadPassword() { string password = ""; ConsoleKeyInfo info = Console.ReadKey(true); while (info.Key != ConsoleKey.Enter) { if (info.Key != ConsoleKey.Backspace) { Console.Write("*"); password += info.KeyChar; } else if (info.Key == ConsoleKey.Backspace) { if (!string.IsNullOrEmpty(password)) { // remove one character from the list of password characters password = password.Substring(0, password.Length - 1); // get the location of the cursor int pos = Console.CursorLeft; // move the cursor to the left by one character Console.SetCursorPosition(pos - 1, Console.CursorTop); // replace it with space Console.Write(" "); // move the cursor to the left by one character again Console.SetCursorPosition(pos - 1, Console.CursorTop); } } info = Console.ReadKey(true); } // add a new line because user pressed enter at the end of their password Console.WriteLine(); return password; }

Masquer la fenêtre de la Console

[DllImport("kernel32.dll")] private static extern IntPtr GetConsoleWindow(); [DllImport("user32.dll")] private static extern bool ShowWindow(IntPtr hWnd, int nCmdShow); private const int SW_HIDE = 0; private const int SW_SHOW = 5; var handle = GetConsoleWindow(); ShowWindow(handle, SW_HIDE);

Couleurs

Console.BackgroundColor = ConsoleColor.DarkRed; Console.ForegroundColor = ConsoleColor.Green; Console.WriteLine("..."); Console.ResetColor();

Using dependency injection in a .Net Core console application

dotnet add package Microsoft.Extensions.DependencyInjection

Program.cs

static void Main(string[] args) { //setup our DI var serviceProvider = new ServiceCollection() .AddLogging() .AddSingleton<IFooService, FooService>() .AddSingleton<IBarService, BarService>() .BuildServiceProvider(); //configure console logging serviceProvider.GetService<ILoggerFactory>() .AddConsole(LogLevel.Debug); var logger = serviceProvider.GetService<ILoggerFactory>() .CreateLogger<Program>(); logger.LogDebug("Starting application"); //do the actual work here var bar = serviceProvider.GetService<IBarService>(); bar.DoSomeRealWork(); logger.LogDebug("All done!");