PipelineBuffer.GetBlobLength 메서드
Gets the number of bytes contained in a binary large object (BLOB) PipelineBuffer column.
이 API는 CLS 규격이 아닙니다.
네임스페이스: Microsoft.SqlServer.Dts.Pipeline
어셈블리: Microsoft.SqlServer.PipelineHost(Microsoft.SqlServer.PipelineHost.dll)
구문
‘선언
<CLSCompliantAttribute(False)> _
Public Function GetBlobLength ( _
columnIndex As Integer _
) As UInteger
‘사용 방법
Dim instance As PipelineBuffer
Dim columnIndex As Integer
Dim returnValue As UInteger
returnValue = instance.GetBlobLength(columnIndex)
[CLSCompliantAttribute(false)]
public uint GetBlobLength(
int columnIndex
)
[CLSCompliantAttribute(false)]
public:
unsigned int GetBlobLength(
int columnIndex
)
[<CLSCompliantAttribute(false)>]
member GetBlobLength :
columnIndex:int -> uint32
public function GetBlobLength(
columnIndex : int
) : uint
매개 변수
- columnIndex
유형: System.Int32
The index of the column containing the BLOB.
반환 값
유형: System.UInt32
The number of bytes in the binary large object.
주의
The GetBlobLength method is used to determine the number of bytes contained in a PipelineBuffer column containing a BLOB data type, such as a DT_IMAGE. This method is typically called prior to a call to the GetBlobData method. The third parameter to GetBlobData is the number of bytes to retrieve from the BLOB. You call GetBlobLength prior to GetBlobData when you want to retrieve all the bytes in a BLOB PipelineBuffer column.