SmartCardRW.ReadData Method (POS for .NET v1.14 SDK Documentation)

3/2/2014

Reads data from a smart card.

Namespace: Microsoft.PointOfService
Assembly: Microsoft.PointOfService (in microsoft.pointofservice.dll)

Syntax

'Declaration
Public MustOverride Function ReadData ( _
    action As SmartCardReadAction, _
    data As Byte() _
) As Byte()

public abstract byte[] ReadData (
    SmartCardReadAction action,
    byte[] data
)

public:
virtual array<unsigned char>^ ReadData (
    SmartCardReadAction action, 
    array<unsigned char>^ data
) abstract

public abstract byte[] ReadData (
    SmartCardReadAction action, 
    byte[] data
)

public abstract function ReadData (
    action : SmartCardReadAction, 
    data : byte[]
) : byte[]

SmartCardReadAction returns data if successful, and may cause a PosControlException to be thrown with the following ErrorCode:

Value	Meaning
Claimed	Cannot read because the smart card present in the SCR/W is claimed by another application.
Illegal	The action is not valid for the type of smart card present in the SCR/W or the count value is not valid for the smart card present in the SCR/W.

Any public static (Shared in Visual Basic) members of this type are thread-safe. Any instance members are not guaranteed to be thread-safe.