Csharp/C Sharp by API/System/ConsoleKeyInfo

ConsoleKeyInfo.Key

<source lang="csharp"> using System; using System.Collections.Generic; class MainClass {

   public static void Main()
   {
       ConsoleKeyInfo key;
       List<char> input = new List<char>(); 
       do{
         key = Console.ReadKey(true);
         if (key.Key == ConsoleKey.F1)
         {
            Console.WriteLine("F1");
         }
         if (key.Key == ConsoleKey.Backspace)
         {
             if (input.Count > 0)
             {
                 input.RemoveAt(input.Count - 1);
                 Console.Write(key.KeyChar);
             }
         }else if (key.Key == ConsoleKey.Escape){
               Console.Clear();
               Console.WriteLine("Input: {0}\n\n",new String(input.ToArray()));
               input.Clear();
         }else if (key.Key >= ConsoleKey.A && key.Key <= ConsoleKey.Z){
               input.Add(key.KeyChar); 
               Console.Write(key.KeyChar);
          }
     } while (key.Key != ConsoleKey.X || key.Modifiers != ConsoleModifiers.Alt);
 }

}

 </source>

ConsoleKeyInfo.KeyChar

<source lang="csharp">

using System;

class MainClass {

 public static void Main() {  
   ConsoleKeyInfo keypress; 
 
   Console.WriteLine("Enter keystrokes. Enter Q to stop."); 
 
   do { 
     keypress = Console.ReadKey(); // read keystrokes 
    
     Console.WriteLine(" Your key is: " + keypress.KeyChar);  

     // Check for modifier keys. 
     if((ConsoleModifiers.Alt & keypress.Modifiers) != 0) 
       Console.WriteLine("Alt key pressed."); 
     if((ConsoleModifiers.Control & keypress.Modifiers) != 0) 
       Console.WriteLine("Control key pressed."); 
     if((ConsoleModifiers.Shift & keypress.Modifiers) != 0) 
       Console.WriteLine("Shift key pressed."); 

   } while(keypress.KeyChar != "Q"); 
 }    

}

 </source>

ConsoleKeyInfo.Modifiers

<source lang="csharp"> using System; using System.Collections.Generic; class MainClass {

   public static void Main()
   {
       ConsoleKeyInfo key;
       List<char> input = new List<char>(); 
       do{
         key = Console.ReadKey(true);
         if (key.Key == ConsoleKey.F1)
         {
            Console.WriteLine("F1");
         }
         if (key.Key == ConsoleKey.Backspace)
         {
             if (input.Count > 0)
             {
                 input.RemoveAt(input.Count - 1);
                 Console.Write(key.KeyChar);
             }
         }else if (key.Key == ConsoleKey.Escape){
               Console.Clear();
               Console.WriteLine("Input: {0}\n\n",new String(input.ToArray()));
               input.Clear();
         }else if (key.Key >= ConsoleKey.A && key.Key <= ConsoleKey.Z){
               input.Add(key.KeyChar); 
               Console.Write(key.KeyChar);
          }
     } while (key.Key != ConsoleKey.X || key.Modifiers != ConsoleModifiers.Alt);
 }

}

 </source>