BarcodeScanner.IsSymbologySupportedAsync(UInt32) 方法
定义
重要
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确定条形码扫描仪是否支持指定的符号系统。
public:
virtual IAsyncOperation<bool> ^ IsSymbologySupportedAsync(unsigned int barcodeSymbology) = IsSymbologySupportedAsync;
/// [Windows.Foundation.Metadata.RemoteAsync]
IAsyncOperation<bool> IsSymbologySupportedAsync(uint32_t const& barcodeSymbology);
[Windows.Foundation.Metadata.RemoteAsync]
public IAsyncOperation<bool> IsSymbologySupportedAsync(uint barcodeSymbology);
function isSymbologySupportedAsync(barcodeSymbology)
Public Function IsSymbologySupportedAsync (barcodeSymbology As UInteger) As IAsyncOperation(Of Boolean)
参数
- barcodeSymbology
-
UInt32
unsigned int
uint32_t
特定的条形码符号。
返回
如果设备支持指定的符号系统,则为 True;否则为 false。
- 属性