ClaimedBarcodeScanner.ShowVideoPreviewAsync 方法

  • 參考

定義

命名空間:
Windows.Devices.PointOfService
編輯

顯示影片預覽視窗。

public:
 virtual IAsyncOperation<bool> ^ ShowVideoPreviewAsync() = ShowVideoPreviewAsync;
/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<bool> ShowVideoPreviewAsync();
[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<bool> ShowVideoPreviewAsync();
function showVideoPreviewAsync()
Public Function ShowVideoPreviewAsync () As IAsyncOperation(Of Boolean)

傳回

IAsyncOperation<Boolean>

IAsyncOperation<bool>

如果顯示影片預覽，則為 True;如果影片預覽未顯示或不支援，則為 false。

屬性
RemoteAsyncAttribute

Windows 需求

裝置系列
Windows 10, version 1803 (已於 10.0.17134.0 引進)
API contract
Windows.Foundation.UniversalApiContract (已於 v6.0 引進)

適用於