PhoneCall.SendDtmfKeyAsync(DtmfKey, DtmfToneAudioPlayback) 方法

定义

命名空间:

Windows.ApplicationModel.Calls

将指定的双音多频 (DTMF) 字符异步发送到电话呼叫。 仅支持短音 (突发) 。

public:
 virtual IAsyncOperation<PhoneCallOperationStatus> ^ SendDtmfKeyAsync(DtmfKey key, DtmfToneAudioPlayback dtmfToneAudioPlayback) = SendDtmfKeyAsync;

/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<PhoneCallOperationStatus> SendDtmfKeyAsync(DtmfKey const& key, DtmfToneAudioPlayback const& dtmfToneAudioPlayback);

[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<PhoneCallOperationStatus> SendDtmfKeyAsync(DtmfKey key, DtmfToneAudioPlayback dtmfToneAudioPlayback);

function sendDtmfKeyAsync(key, dtmfToneAudioPlayback)

Public Function SendDtmfKeyAsync (key As DtmfKey, dtmfToneAudioPlayback As DtmfToneAudioPlayback) As IAsyncOperation(Of PhoneCallOperationStatus)

参数

key

DtmfKey

表示要发送的 DTMF 字符的 DtmfKey 对象。

dtmfToneAudioPlayback

DtmfToneAudioPlayback

一个 DtmfToneAudioPlayback 对象，指定是否应在本地设备上播放 DTMF 音调的音频。

返回

IAsyncOperation<PhoneCallOperationStatus>

异步操作对象完成时，该对象包含一个代表电话呼叫状态的 PhoneCallOperationStatus 对象。

属性

RemoteAsyncAttribute

Windows 要求

应用功能

phoneCall