ConsoleModifiers Enum

Definitie

Naamruimte:
System
Assembly:
mscorlib.dll
Assembly:
System.Console.dll
Assembly:
netstandard.dll

Vertegenwoordigt de toetsen Shift, Alt en Ctrl op een toetsenbord.

Deze opsomming ondersteunt een bitsgewijze combinatie van de waarden van de leden.

public enum class ConsoleModifiers
[System.Flags]
[System.Serializable]
public enum ConsoleModifiers
[System.Flags]
public enum ConsoleModifiers
[<System.Flags>]
[<System.Serializable>]
type ConsoleModifiers = 
[<System.Flags>]
type ConsoleModifiers = 
Public Enum ConsoleModifiers
Overname
Object
ValueType
Enum
ConsoleModifiers
Kenmerken
FlagsAttribute SerializableAttribute

Velden

Name Waarde Description
Alt 1

De linker- of rechter alt-wijzigingstoets.
Shift 2

De shift-wijzigingstoets links of rechts.
Control 4

De ctrl-wijzigingstoets links of rechts.

Voorbeelden

In het volgende codevoorbeeld wordt een sleutel gelezen en wordt bepaald of een of meer wijzigingstoetsen zijn ingedrukt.

using System;

class Example
{
   public static void Main()
   {
      ConsoleKeyInfo cki;
      // Prevent example from ending if CTL+C is pressed.
      Console.TreatControlCAsInput = true;

      Console.WriteLine("Press any combination of CTL, ALT, and SHIFT, and a console key.");
      Console.WriteLine("Press the Escape (Esc) key to quit: \n");
      do
      {
         cki = Console.ReadKey();
         Console.Write(" --- You pressed ");
         if((cki.Modifiers & ConsoleModifiers.Alt) != 0) Console.Write("ALT+");
         if((cki.Modifiers & ConsoleModifiers.Shift) != 0) Console.Write("SHIFT+");
         if((cki.Modifiers & ConsoleModifiers.Control) != 0) Console.Write("CTL+");
         Console.WriteLine(cki.Key.ToString());
       } while (cki.Key != ConsoleKey.Escape);
    }
}
// This example displays output similar to the following:
//       Press any combination of CTL, ALT, and SHIFT, and a console key.
//       Press the Escape (Esc) key to quit:
//
//       a --- You pressed A
//       k --- You pressed ALT+K
//       ► --- You pressed CTL+P
//         --- You pressed RightArrow
//       R --- You pressed SHIFT+R
//                --- You pressed CTL+I
//       j --- You pressed ALT+J
//       O --- You pressed SHIFT+O
//       § --- You pressed CTL+U

open System

// Prevent example from ending if CTL+C is pressed.
Console.TreatControlCAsInput <- true

printfn "Press any combination of CTL, ALT, and SHIFT, and a console key."
printfn "Press the Escape (Esc) key to quit: \n"

let mutable cki = Unchecked.defaultof<ConsoleKeyInfo>

while cki.Key <> ConsoleKey.Escape do
    cki <- Console.ReadKey()
    printf " --- You pressed "
    if int (cki.Modifiers &&& ConsoleModifiers.Alt) <> 0 then printf "ALT+"
    if int (cki.Modifiers &&& ConsoleModifiers.Shift) <> 0 then printf "SHIFT+"
    if int (cki.Modifiers &&& ConsoleModifiers.Control) <> 0 then printf "CTL+"
    printfn $"{cki.Key}"


// This example displays output similar to the following:
//       Press any combination of CTL, ALT, and SHIFT, and a console key.
//       Press the Escape (Esc) key to quit:
//
//       a --- You pressed A
//       k --- You pressed ALT+K
//       ► --- You pressed CTL+P
//         --- You pressed RightArrow
//       R --- You pressed SHIFT+R
//                --- You pressed CTL+I
//       j --- You pressed ALT+J
//       O --- You pressed SHIFT+O
//       § --- You pressed CTL+U

Class Example
   Public Shared Sub Main()
      Dim cki As ConsoleKeyInfo
      ' Prevent example from ending if CTL+C is pressed.
      Console.TreatControlCAsInput = True

      Console.WriteLine("Press any combination of CTL, ALT, and SHIFT, and a console key.")
      Console.WriteLine("Press the Escape (Esc) key to quit: " + vbCrLf)
      Do
         cki = Console.ReadKey()
         Console.Write(" --- You pressed ")
         If (cki.Modifiers And ConsoleModifiers.Alt) <> 0 Then Console.Write("ALT+")
         If (cki.Modifiers And ConsoleModifiers.Shift) <> 0 Then Console.Write("SHIFT+")
         If (cki.Modifiers And ConsoleModifiers.Control) <> 0 Then Console.Write("CTL+")
         Console.WriteLine(cki.Key.ToString)
      Loop While cki.Key <> ConsoleKey.Escape
   End Sub 
End Class 
' This example displays output similar to the following:
'       Press any combination of CTL, ALT, and SHIFT, and a console key.
'       Press the Escape (Esc) key to quit:
'       
'       a --- You pressed A 
'       k --- You pressed ALT+K 
'       ► --- You pressed CTL+P 
'         --- You pressed RightArrow 
'       R --- You pressed SHIFT+R 
'                --- You pressed CTL+I 
'       j --- You pressed ALT+J 
'       O --- You pressed SHIFT+O 
'       § --- You pressed CTL+U

Opmerkingen

Er wordt geen onderscheid gemaakt tussen de toetsen Shift links of rechts, Alt en Ctrl.

De ConsoleModifiers opsomming wordt gebruikt in combinatie met het ConsoleKeyInfo type.

Van toepassing op

Zie ook