WordFinder Class Documentation

class WordFinder : SystemIDisposable

Namespace:Datalogics::PDFL

Inherits from:
SystemIDisposable

Detailed Description

A class used to extract words from a document.

Referenced by

Constructor & Destructor Documentation

Member Function Documentation

Dispose

void Dispose()

Returns:

void

EnumWords

bool EnumWords(int pageNum, WordProc wordProc)

Parameters

pageNum: int

The page number from which to extract words. Pass AllPages to sequentially process all pages in the document.

wordProc: WordProc

A user-supplied callback to call once for each word found. Enumeration halts if wordProc returns false.

Returns:

bool

true if enumeration was successfully completed, false if enumeration was terminated because wordProc returned false.

Extracts words, one at a time, from the specified page or the entire document. It calls a user-supplied procedure once for each word found.

Only words within or partially within the page's crop box (see Page.CropBox) are enumerated. Words outside the crop box are skipped.

Word objects passed to wordProc become invalid once the call to EnumWords returns, or if the page number changes between calls to the WordProc.

Exceptions

genErrBadParm
—

is raised if wordProc is NULL, or pageNum is less than zero or greater than the total number of pages in the document.

pdErrOpNotPermitted

GetVisibleWordList

System.Collections.Generic.IList< Word > GetVisibleWordList(int pageNum)

Parameters

pageNum: int

the page number for which to get the list of words.

Returns:

System.Collections.Generic.IList< Word >

a list of x, y sorted words on the specified page.

Finds all Visible words on the specified page and returns a list containing the words. The words are sorted by their x- and y-coordinates on the page.