BarcodeScanner.GetSupportedSymbologiesAsync 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
取得所宣告條碼掃描器所支援的符號類型。
public:
virtual IAsyncOperation<IVectorView<unsigned int> ^> ^ GetSupportedSymbologiesAsync() = GetSupportedSymbologiesAsync;
/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<IVectorView<uint32_t>> GetSupportedSymbologiesAsync();
[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<IReadOnlyList<uint>> GetSupportedSymbologiesAsync();
function getSupportedSymbologiesAsync()
Public Function GetSupportedSymbologiesAsync () As IAsyncOperation(Of IReadOnlyList(Of UInteger))
傳回
Windows.Foundation.IAsyncOperation<Windows.Foundation.Collections.IVectorView>
IAsyncOperation<IVectorView<uint32_t>>
當方法順利完成時,它會傳回值清單,代表裝置支援的符號類型。
- 屬性