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SmartCardRW.ClearInput Method

  • Article

2/27/2008

Clears all queued data and input error events and sets the State property to Idle.

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

Syntax

'Declaration
Public MustOverride Sub ClearInput

public abstract void ClearInput ()

public:
virtual void ClearInput () abstract

public abstract void ClearInput ()

public abstract function ClearInput ()

Remarks

Clears the device input that has been buffered for the unit specified by the CurrentUnitId property.

Any data events that are queued – usually waiting for DataEventEnabled to be set to true and FreezeEvents to be set to false — are also cleared.

ClearInput may cause a PosControlException to be thrown with the following ErrorCode:

Value

Meaning

Claimed

The device is claimed by another process.

NotClaimed

The device must be claimed before ClearInput can be used.

Thread Safety

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

See Also

Reference

SmartCardRW Class
SmartCardRW Members
Microsoft.PointOfService Namespace
ClearOutput