BarcodeScanner.IsSymbologySupportedAsync(UInt32) 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。
判斷條碼掃描器是否支援指定的符號系統。
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)參數
- barcodeSymbology
-
UInt32
unsigned int
uint32_t
特定的條碼符號系統。
傳回
如果裝置支援指定的符號系統，則為 True;否則為 false。
- 屬性