Class ScannerExtensions

Namespace: Loehnert.Lisrt.Scanner

Assembly: Loehnert.Lisrt.Scanner.dll

Provides a set of static methods for objects that implement IScanner.

public static class ScannerExtensions

Inheritance: object

ScannerExtensions

Inherited Members: object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

Methods

WaitForCodeScanned(IScanner, CancellationToken, int)

Waits until a barcode is scanned.

public static string WaitForCodeScanned(this IScanner scanner, CancellationToken cancellationToken = default, int timeoutInMilliseconds = -1)

Parameters

scanner IScanner: Scanner.
cancellationToken CancellationToken: Cancellation token to cancel the operation.
timeoutInMilliseconds int: Timeout in milliseconds. Use Infinite(-1) for a infinite timeout.

Returns

string: The scanned code.

Exceptions

ArgumentNullException: Thrown when scanner is null.
ArgumentOutOfRangeException: Thrown whentimeoutInMilliseconds is a negative number other than -1 milliseconds, which represents an infinite time-out. -or- The number of milliseconds in timeout is greater than MaxValue.
TimeoutException: Thrown when timeoutInMilliseconds has elapsed.
OperationCanceledException: Thrown when cancellationToken is canceled.