HardTotals.Read Method

2/27/2008

Reads data from a totals file.

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

Syntax

'Declaration
Public MustOverride Function Read ( _
    handle As Integer, _
    offset As Integer, _
    count As Integer _
) As Byte()

public abstract byte[] Read (
    int handle,
    int offset,
    int count
)

public:
virtual array<unsigned char>^ Read (
    int handle, 
    int offset, 
    int count
) abstract

public abstract byte[] Read (
    int handle, 
    int offset, 
    int count
)

public abstract function Read (
    handle : int, 
    offset : int, 
    count : int
) : byte[]

Read returns file data if this is successful, and may cause a PosControlException to be thrown with one of the following ErrorCodes.

Value	Meaning
Claimed	Cannot read because either the totals file or the totals area is claimed by another application.
Illegal	The handle is invalid, or part of the data range is outside the bounds of the totals file.
Extended	ErrorCodeExtended = ExtendedErrorValidation:A validation error has occurred while it is reading data.

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