Used to read and write bytes to a column in an IDTSBuffer100 object.
Assembly: Microsoft.SqlServer.DTSPipelineWrap (in Microsoft.SqlServer.DTSPipelineWrap.dll)
The provides support for reading and writing bytes in a binary large object (BLOB). The bytes added to the object are stored in memory until the SpoolThreshold property is reached, and then are written to a temporary file.
Managed component developers do not use this object but instead use the BlobColumn class.