BarcodeScanner.GetSupportedSymbologiesAsync 方法

定义

获取声明的条形码扫描仪支持的符号。

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))

返回

IAsyncOperation<IVectorView<UInt32>>

IAsyncOperation<IReadOnlyList<UInt32>>

Windows.Foundation.IAsyncOperation<Windows.Foundation.Collections.IVectorView>

IAsyncOperation<IVectorView<uint32_t>>

当该方法成功完成时,它将返回一个值列表,这些值表示设备支持的符号。

属性

适用于