в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:14:32Z

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==Read keystrokes from the console by using ReadKey()==

<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>
<pre class=codeResult>Enter keystrokes. Enter Q to stop.
q Your key is: q
w Your key is: w
e Your key is: e
q Your key is: q
w Your key is: w
e Your key is: e
r Your key is: r
e Your key is: e
w Your key is: w
q Your key is: q
Q Your key is: Q
Shift key pressed.</pre>

==Use ConsoleKey to get input==

<source lang="csharp">using System;
using System.Collections.Generic;
class MainClass
{
public static void Main()
{
ConsoleKeyInfo key;
Console.WriteLine("Process input until the user enters Alt-X or Alt-x");

do
{
key = Console.ReadKey(true);
Console.WriteLine(key);
if (key.Key == ConsoleKey.F1)
{
Console.WriteLine("F1");
}
// Handle backspace.
if (key.Key == ConsoleKey.Backspace)
{
Console.WriteLine("Backspace");
}
// Handle Escape.
else if (key.Key == ConsoleKey.Escape)
{
Console.WriteLine("Escape");
}
// Handle character input.
else if (key.Key >= ConsoleKey.A && key.Key <= ConsoleKey.Z)
{
Console.WriteLine(">=ConsoleKey.A && <= ConsoleKey.Z");
}
} while (key.Key != ConsoleKey.X || key.Modifiers != ConsoleModifiers.Alt);
}
}</source>
<pre class=codeResult>Process input until the user enters Alt-X or Alt-x
System.ConsoleKeyInfo
>=ConsoleKey.A && <= ConsoleKey.Z
System.ConsoleKeyInfo
>=ConsoleKey.A && <= ConsoleKey.Z
System.ConsoleKeyInfo
>=ConsoleKey.A && <= ConsoleKey.Z
System.ConsoleKeyInfo
>=ConsoleKey.A && <= ConsoleKey.Z
System.ConsoleKeyInfo
>=ConsoleKey.A && <= ConsoleKey.Z
System.ConsoleKeyInfo
>=ConsoleKey.A && <= ConsoleKey.Z
System.ConsoleKeyInfo
>=ConsoleKey.A && <= ConsoleKey.Z
System.ConsoleKeyInfo
>=ConsoleKey.A && <= ConsoleKey.Z
System.ConsoleKeyInfo
>=ConsoleKey.A && <= ConsoleKey.Z</pre>

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Csharp/CSharp Tutorial/Development/ConsoleKey - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия