# 2.2.6.13.6 Edit::LineIndex

## Description

Get index of first character in a line

## Syntax

int LineIndex( int nLine = -1 )const

## Parameters

nLine
Contains the index value for the desired line in the text of the edit control, or contains -1.
If nLine is -1, it specifies the current line, that is, the line that contains the caret.

## Return

The character index of the line specified in nLine or -1 if the specified line number is greater then the number of lines in the edit control.

## Examples

EX1

#include <..\OriginLab\DialogEx.h>
#define IDC_EDIT1 1001

void Edit_LineIndex(Dialog& MyDlg)
{
Edit ed = MyDlg.GetItem(IDC_EDIT1);
int nIndex = ed.LineIndex();

}

## Remark

Call this function to retrieve the character index of a line within a multiple-line edit control.

The character index is the number of characters from the beginning of the edit control to the specified line.