The chunk identifier. Chunk identifiers must be unique for the current instance of the IFilter interface. Chunk identifiers must be in ascending order. The order in which chunks are numbered should correspond to the order in which they appear in the source document. Some search engines can take advantage of the proximity of chunks of various properties. If so, the order in which chunks with different properties are emitted will be important to the search engine.

public int idChunk

Public idChunk As Integer

public:
int idChunk