Searches document backward for start position of a word.

Namespace: Sgry.Azuki
Assembly: Azuki (in Azuki.dll) Version: 1.7.13.40248

Syntax

C#
int PrevWordStart(
	Document doc,
	int startIndex
)
Visual Basic
Function PrevWordStart ( 
	doc As Document,
	startIndex As Integer
) As Integer

Parameters

doc
Type: Sgry.Azuki..::..Document
The document in which to search.
startIndex
Type: System..::..Int32
The index to start the search from.

Return Value

Type: Int32
Index of start position of a word if found, or 0 if no word was found.

Remarks

This method searches doc for a word between startIndex and the end of document. If a word was found, this method returns the start position of the word, or returns 0 if no word was found.

All word processor implementations must meet the requirements next.

  • returns startIndex if a word starts at startIndex.
  • returns 0 if no word was found.

Exceptions

ExceptionCondition
System..::..ArgumentNullExceptiondoc is null.
System..::..ArgumentOutOfRangeExceptionstartIndex is less than 0 or greater than length of the document.

See Also