public delegate void ReportScanCallback(
	byte[] buffer,
	int bitOffset,
	DataItem dataItem,
	int indexOfDataItem
)

Public Delegate Sub ReportScanCallback ( 
	buffer As Byte(),
	bitOffset As Integer,
	dataItem As DataItem,
	indexOfDataItem As Integer
)

public delegate void ReportScanCallback(
	array<unsigned char>^ buffer, 
	int bitOffset, 
	DataItem^ dataItem, 
	int indexOfDataItem
)

type ReportScanCallback = 
    delegate of 
        buffer : byte[] * 
        bitOffset : int * 
        dataItem : DataItem * 
        indexOfDataItem : int -> unit