C# Definition:

/// <summary>
/// Flags controlling the operation of the FileFilter
/// instance.
/// </summary>
[Flags]
public enum IFILTER_INIT
{
   /// <summary>
   /// Paragraph breaks should be marked with the Unicode PARAGRAPH
   /// SEPARATOR (0x2029)
   /// </summary>
   IFILTER_INIT_CANON_PARAGRAPHS = 1,

   /// <summary>
   /// Soft returns, such as the newline character in Microsoft Word, should
   /// be replaced by hard returnsLINE SEPARATOR (0x2028). Existing hard
   /// returns can be doubled. A carriage return (0x000D), line feed (0x000A),
   /// or the carriage return and line feed in combination should be considered
   /// a hard return. The intent is to enable pattern-expression matches that
   /// match against observed line breaks.
   /// </summary>
   IFILTER_INIT_HARD_LINE_BREAKS = 2,

   /// <summary>
   /// Various word-processing programs have forms of hyphens that are not
   /// represented in the host character set, such as optional hyphens
   /// (appearing only at the end of a line) and nonbreaking hyphens. This flag
   /// indicates that optional hyphens are to be converted to nulls, and
   /// non-breaking hyphens are to be converted to normal hyphens (0x2010), or
   /// HYPHEN-MINUSES (0x002D).
   /// </summary>
   IFILTER_INIT_CANON_HYPHENS = 4,

   /// <summary>
   /// Just as the IFILTER_INIT_CANON_HYPHENS flag standardizes hyphens,
   /// this one standardizes spaces. All special space characters, such as
   /// nonbreaking spaces, are converted to the standard space character
   /// (0x0020).
   /// </summary>
   IFILTER_INIT_CANON_SPACES = 8,

   /// <summary>
   /// Indicates that the client wants text split into chunks representing
   /// public value-type properties.
   /// </summary>
   IFILTER_INIT_APPLY_INDEX_ATTRIBUTES = 16,

   /// <summary>
   /// Indicates that the client wants text split into chunks representing
   /// properties determined during the indexing process.
   /// </summary>
   IFILTER_INIT_APPLY_CRAWL_ATTRIBUTES = 256,

   /// <summary>
   /// Any properties not covered by the IFILTER_INIT_APPLY_INDEX_ATTRIBUTES
   /// and IFILTER_INIT_APPLY_CRAWL_ATTRIBUTES flags should be emitted.
   /// </summary>
   IFILTER_INIT_APPLY_OTHER_ATTRIBUTES = 32,

   /// <summary>
   /// Optimizes IFilter for indexing because the client calls the
   /// IFilter::Init method only once and does not call IFilter::BindRegion.
   /// This eliminates the possibility of accessing a chunk both before and
   /// after accessing another chunk.
   /// </summary>
   IFILTER_INIT_INDEXING_ONLY = 64,

   /// <summary>
   /// The text extraction process must recursively search all linked
   /// objects within the document. If a link is unavailable, the
   /// IFilter::GetChunk call that would have obtained the first chunk of the
   /// link should return FILTER_E_LINK_UNAVAILABLE.
   /// </summary>
   IFILTER_INIT_SEARCH_LINKS = 128,

   /// <summary>
   /// The content indexing process can return property values set by the  filter.
   /// </summary>
   IFILTER_INIT_FILTER_OWNED_VALUE_OK = 512
}

VB Definition:

Enum IFILTER_INIT
   TODO
End Enum

Notes:

None.