Console.Beep Метод

Определение

Пространство имен:: System

Сборки:: netstandard.dll, System.Console.dll

Сборка:: System.Console.dll

Сборка:: mscorlib.dll

Сборка:: netstandard.dll

Важно!

Некоторые сведения относятся к предварительной версии продукта, в которую до выпуска могут быть внесены существенные изменения. Майкрософт не предоставляет никаких гарантий, явных или подразумеваемых, относительно приведенных здесь сведений.

Воспроизводит звук звукового сигнала через динамик консоли.

Перегрузки

Имя	Описание
Beep()	Воспроизводит звук звукового сигнала через динамик консоли.
Beep(Int32, Int32)	Воспроизводит звук сигнала указанной частоты и длительности через динамик консоли.

Beep()

Исходный код:: Console.cs

Исходный код:: Console.cs

Исходный код:: Console.cs

Исходный код:: Console.cs

Исходный код:: Console.cs

Воспроизводит звук звукового сигнала через динамик консоли.

public:
 static void Beep();

[System.Runtime.Versioning.UnsupportedOSPlatform("android")]
[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
[System.Runtime.Versioning.UnsupportedOSPlatform("ios")]
[System.Runtime.Versioning.UnsupportedOSPlatform("tvos")]
public static void Beep();

[System.Runtime.Versioning.UnsupportedOSPlatform("browser")]
public static void Beep();

public static void Beep();

[<System.Runtime.Versioning.UnsupportedOSPlatform("android")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("ios")>]
[<System.Runtime.Versioning.UnsupportedOSPlatform("tvos")>]
static member Beep : unit -> unit

[<System.Runtime.Versioning.UnsupportedOSPlatform("browser")>]
static member Beep : unit -> unit

static member Beep : unit -> unit

Public Shared Sub Beep ()

Атрибуты: UnsupportedOSPlatformAttribute

Исключения

HostProtectionException

Этот метод был выполнен на сервере, например SQL Server, который не разрешает доступ к пользовательскому интерфейсу.

Примеры

В следующем примере демонстрируется Beep метод. В примере принимается число от 1 до 9 в качестве аргумента командной строки, и воспроизводится звуковой сигнал, сколько раз.

// This example demonstrates the Console.Beep() method.
using System;

class Sample
{
    public static void Main(String[] args)
    {
    int x = 0;
//
    if ((args.Length == 1) &&
        (Int32.TryParse(args[0], out x)) &&
        ((x >= 1) && (x <= 9)))
        {
        for (int i = 1; i <= x; i++)
            {
            Console.WriteLine("Beep number {0}.", i);
            Console.Beep();
            }
        }
    else
        {
            Console.WriteLine("Usage: Enter the number of times (between 1 and 9) to beep.");
        }
    }
}
/*
This example produces the following results:

>beep
Usage: Enter the number of times (between 1 and 9) to beep

>beep 9
Beep number 1.
Beep number 2.
Beep number 3.
Beep number 4.
Beep number 5.
Beep number 6.
Beep number 7.
Beep number 8.
Beep number 9.

*/

// This example demonstrates the Console.Beep() method.
open System

[<EntryPoint>]
let main args =
    if args.Length = 1 then
        match Int32.TryParse args[0] with
        | true, x when x >= 1 && x <= 9 ->
            for i = 1 to x do
                Console.WriteLine $"Beep number {i}."
                Console.Beep()
        | _ ->
            Console.WriteLine "Usage: Enter the number of times (between 1 and 9) to beep." 
    else
        Console.WriteLine "Usage: Enter the number of times (between 1 and 9) to beep."

    0

// This example produces the following results:

// >beep
// Usage: Enter the number of times (between 1 and 9) to beep

// >beep 9
// Beep number 1.
// Beep number 2.
// Beep number 3.
// Beep number 4.
// Beep number 5.
// Beep number 6.
// Beep number 7.
// Beep number 8.
// Beep number 9.

' This example demonstrates the Console.Beep() method.
Class Sample
   Public Shared Sub Main(args() As String)
      Dim x As Integer = 0
      Dim i As Integer
      '
      If      (args.Length = 1) _
      AndAlso (Int32.TryParse(args(0), x) = True) _
      AndAlso ((x >= 1) AndAlso (x <= 9)) Then
         For i = 1 To x
            Console.WriteLine("Beep number {0}.", i)
            Console.Beep()
         Next i
      Else
         Console.WriteLine("Usage: Enter the number of times (between 1 and 9) to beep.")
      End If
   End Sub
End Class
'
'This example produces the following results:
'
'>beep
'Usage: Enter the number of times (between 1 and 9) to beep
'
'>beep 9
'Beep number 1.
'Beep number 2.
'Beep number 3.
'Beep number 4.
'Beep number 5.
'Beep number 6.
'Beep number 7.
'Beep number 8.
'Beep number 9.
'

Beep упаковывает вызов функции Windows Beep. Будет ли Beep создавать звук на версиях Windows до Windows 7 зависит от наличия микросхемы таймера 8254 с программируемым интервалом. Начиная с Windows 7, он зависит от звукового устройства по умолчанию.

Применяется к

Beep(Int32, Int32)

Исходный код:: Console.cs

Исходный код:: Console.cs

Исходный код:: Console.cs

Исходный код:: Console.cs

Исходный код:: Console.cs

Воспроизводит звук сигнала указанной частоты и длительности через динамик консоли.

public:
 static void Beep(int frequency, int duration);

[System.Runtime.Versioning.SupportedOSPlatform("windows")]
public static void Beep(int frequency, int duration);

public static void Beep(int frequency, int duration);

[<System.Runtime.Versioning.SupportedOSPlatform("windows")>]
static member Beep : int * int -> unit

static member Beep : int * int -> unit

Public Shared Sub Beep (frequency As Integer, duration As Integer)

Параметры

frequency: Int32

Частота бипа, начиная от 37 до 32767 герц.

duration: Int32

Длительность сигнала, измеряемого в миллисекундах.

Атрибуты: SupportedOSPlatformAttribute

Исключения

ArgumentOutOfRangeException

frequency меньше 37 или более 32767 герц.

–или–

duration меньше нуля или равно нулю.

HostProtectionException

Этот метод был выполнен на сервере, например SQL Server, который не разрешает доступ к консоли.

PlatformNotSupportedException

Текущая операционная система не является Windows.

Примеры

В этом примере демонстрируется Beep метод, воспроизводив первые несколько заметок песни через динамик консоли.

// This example demonstrates the Console.Beep(Int32, Int32) method
using System;
using System.Threading;

class Sample
{
    public static void Main()
    {
// Declare the first few notes of the song, "Mary Had A Little Lamb".
    Note[] Mary =
        {
        new Note(Tone.B, Duration.QUARTER),
        new Note(Tone.A, Duration.QUARTER),
        new Note(Tone.GbelowC, Duration.QUARTER),
        new Note(Tone.A, Duration.QUARTER),
        new Note(Tone.B, Duration.QUARTER),
        new Note(Tone.B, Duration.QUARTER),
        new Note(Tone.B, Duration.HALF),
        new Note(Tone.A, Duration.QUARTER),
        new Note(Tone.A, Duration.QUARTER),
        new Note(Tone.A, Duration.HALF),
        new Note(Tone.B, Duration.QUARTER),
        new Note(Tone.D, Duration.QUARTER),
        new Note(Tone.D, Duration.HALF)
        };
// Play the song
    Play(Mary);
    }

// Play the notes in a song.
    protected static void Play(Note[] tune)
    {
    foreach (Note n in tune)
        {
        if (n.NoteTone == Tone.REST)
            Thread.Sleep((int)n.NoteDuration);
        else
            Console.Beep((int)n.NoteTone, (int)n.NoteDuration);
        }
    }

// Define the frequencies of notes in an octave, as well as
// silence (rest).
    protected enum Tone
    {
    REST   = 0,
    GbelowC = 196,
    A      = 220,
    Asharp = 233,
    B      = 247,
    C      = 262,
    Csharp = 277,
    D      = 294,
    Dsharp = 311,
    E      = 330,
    F      = 349,
    Fsharp = 370,
    G      = 392,
    Gsharp = 415,
    }

// Define the duration of a note in units of milliseconds.
    protected enum Duration
    {
    WHOLE     = 1600,
    HALF      = WHOLE/2,
    QUARTER   = HALF/2,
    EIGHTH    = QUARTER/2,
    SIXTEENTH = EIGHTH/2,
    }

// Define a note as a frequency (tone) and the amount of
// time (duration) the note plays.
    protected struct Note
    {
    Tone     toneVal;
    Duration durVal;

// Define a constructor to create a specific note.
    public Note(Tone frequency, Duration time)
        {
        toneVal = frequency;
        durVal  = time;
        }

// Define properties to return the note's tone and duration.
    public Tone NoteTone { get{ return toneVal; } }
    public Duration NoteDuration { get{ return durVal; } }
    }
}
/*
This example produces the following results:

This example plays the first few notes of "Mary Had A Little Lamb"
through the console speaker.
*/

// This example demonstrates the Console.Beep(Int32, Int32) method
open System
open System.Threading

// Define the frequencies of notes in an octave, as well as
// silence (rest).
type Tone =
    | REST    = 0
    | GbelowC = 196
    | A       = 220
    | Asharp  = 233
    | B       = 247
    | C       = 262
    | Csharp  = 277
    | D       = 294
    | Dsharp  = 311
    | E       = 330
    | F       = 349
    | Fsharp  = 370
    | G       = 392
    | Gsharp  = 415

// Define the duration of a note in units of milliseconds.
type Duration =
    | WHOLE     = 1600
    | HALF      = 800
    | QUARTER   = 400
    | EIGHTH    = 200
    | SIXTEENTH = 100

// Define a note as a frequency (tone) and the amount of
// time (duration) the note plays.
[<Struct>]
type Note =
    { Tone: Tone
      Duration: Duration }

// Play the notes in a song.
let play tune =
    for n in tune do
        if n.Tone = Tone.REST then
            Thread.Sleep(int n.Duration)
        else
            Console.Beep(int n.Tone, int n.Duration)

// Declare the first few notes of the song, "Mary Had A Little Lamb".
let mary =
    [ { Tone = Tone.B; Duration = Duration.QUARTER }
      { Tone = Tone.A; Duration = Duration.QUARTER }
      { Tone = Tone.GbelowC; Duration = Duration.QUARTER }
      { Tone = Tone.A; Duration = Duration.QUARTER }
      { Tone = Tone.B; Duration = Duration.QUARTER }
      { Tone = Tone.B; Duration = Duration.QUARTER }
      { Tone = Tone.B; Duration = Duration.HALF }
      { Tone = Tone.A; Duration = Duration.QUARTER }
      { Tone = Tone.A; Duration = Duration.QUARTER }
      { Tone = Tone.A; Duration = Duration.HALF }
      { Tone = Tone.B; Duration = Duration.QUARTER }
      { Tone = Tone.D; Duration = Duration.QUARTER }
      { Tone = Tone.D; Duration = Duration.HALF } ]

// Play the song
play mary

// This example plays the first few notes of "Mary Had A Little Lamb"
// through the console speaker.

' This example demonstrates the Console.Beep(Int32, Int32) method
Imports System.Threading

Class Sample
   Public Shared Sub Main()
      ' Declare the first few notes of the song, "Mary Had A Little Lamb".
      Dim Mary As Note() =  { _
            New Note(Tone.B, Duration.QUARTER), _
            New Note(Tone.A, Duration.QUARTER), _
            New Note(Tone.GbelowC, Duration.QUARTER), _
            New Note(Tone.A, Duration.QUARTER), _
            New Note(Tone.B, Duration.QUARTER), _
            New Note(Tone.B, Duration.QUARTER), _
            New Note(Tone.B, Duration.HALF), _
            New Note(Tone.A, Duration.QUARTER), _
            New Note(Tone.A, Duration.QUARTER), _
            New Note(Tone.A, Duration.HALF), _
            New Note(Tone.B, Duration.QUARTER), _
            New Note(Tone.D, Duration.QUARTER), _
            New Note(Tone.D, Duration.HALF)}
      ' Play the song
      Play(Mary)
   End Sub
   
   ' Play the notes in a song.
   Protected Shared Sub Play(tune() As Note)
      Dim n As Note
      For Each n In  tune
         If n.NoteTone = Tone.REST Then
            Thread.Sleep(CInt(n.NoteDuration))
         Else
            Console.Beep(CInt(n.NoteTone), CInt(n.NoteDuration))
         End If
      Next n
   End Sub
   ' Define the frequencies of notes in an octave, as well as 
   ' silence (rest).
   
   Protected Enum Tone
      REST = 0
      GbelowC = 196
      A = 220
      Asharp = 233
      B = 247
      C = 262
      Csharp = 277
      D = 294
      Dsharp = 311
      E = 330
      F = 349
      Fsharp = 370
      G = 392
      Gsharp = 415
   End Enum 'Tone
   
   ' Define the duration of a note in units of milliseconds.
   
   Protected Enum Duration
      WHOLE = 1600
      HALF = WHOLE / 2
      QUARTER = HALF / 2
      EIGHTH = QUARTER / 2
      SIXTEENTH = EIGHTH / 2
   End Enum 'Duration
   
   ' Define a note as a frequency (tone) and the amount of 
   ' time (duration) the note plays.
   Protected Structure Note
      Private toneVal As Tone
      Private durVal As Duration
      
      ' Define a constructor to create a specific note.
      Public Sub New(frequency As Tone, time As Duration)
         toneVal = frequency
         durVal = time
      End Sub
      
      ' Define properties to return the note's tone and duration.
      Public ReadOnly Property NoteTone() As Tone
         Get
            Return toneVal
         End Get
      End Property
      
      Public ReadOnly Property NoteDuration() As Duration
         Get
            Return durVal
         End Get
      End Property
   End Structure 'Note '
'This example produces the following results:
'
'This example plays the first few notes of "Mary Had A Little Lamb" 
'through the console speaker.
'
End Class

Применяется к

Обратная связь

Были ли сведения на этой странице полезными?

Console.Beep Метод

Определение

Перегрузки

Beep()

Исключения

Примеры

Комментарии

Применяется к

Beep(Int32, Int32)

Параметры

Исключения

Примеры

Комментарии

Применяется к