CheckScanner.ClearInput Method
2/27/2008
Clears all device input that has been buffered.
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
Any data events or input error events that were queued by the service object are also cleared, Usually, the events are waiting for DataEventEnabled to be set to true and FreezeEvents to be set to false,.
ClearInput may cause a PosControlException to be thrown with the following ErrorCodes.
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
CheckScanner Class
CheckScanner Members
Microsoft.PointOfService Namespace
FreezeEvents
DataEventEnabled
DataEvent
ErrorEvent