PosEventDataHeader - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// pointofservicedriverinterface.h

typedef struct _PosEventDataHeader {
  PosEventType EventType;
  UINT32       DataLength;
} PosEventDataHeader, PosBarcodeScannerImagePreviewEventData;
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ns-pointofservicedriverinterface-_poseventdataheader)

_PosEventDataHeader structure

Description

This structure describes the scanned image data that is passed to the BarcodeScannerImagePreviewReceived event.

Members

EventType

The type of event. For the BarcodeScannerImagePreviewReceived event the value of this field is BarcodeScannerImagePreviewReceived.

DataLength

The length, in bytes, of the image preview data.

Remarks

The image preview bitmap data immediately follows after this structure in memory for DataLength bytes.

View the official Windows Driver Kit DDI reference

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