Application console

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Code

Csharp.svg
using System;

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

Masquer la fenêtre de la Console

Csharp.svg
[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);

Masquer la saisie d'un mot de passe

Csharp.svg
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;
}

Couleurs

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