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Visual Studio 2012
Visual C++
MFC and ATL
MFC Desktop Applications
Classes
CRichEditCtrl Class
CRichEditCtrl::CanPaste
CRichEditCtrl::CanRedo
CRichEditCtrl::CanUndo
CRichEditCtrl::CharFromPos
CRichEditCtrl::Clear
CRichEditCtrl::Copy
CRichEditCtrl::Create
CRichEditCtrl::CreateEx
CRichEditCtrl::CRichEditCtrl
CRichEditCtrl::Cut
CRichEditCtrl::DisplayBand
CRichEditCtrl::EmptyUndoBuffer
CRichEditCtrl::FindText
CRichEditCtrl::FindWordBreak
CRichEditCtrl::FormatRange
CRichEditCtrl::GetCharPos
CRichEditCtrl::GetDefaultCharFormat
CRichEditCtrl::GetEventMask
CRichEditCtrl::GetFirstVisibleLine
CRichEditCtrl::GetIRichEditOle
CRichEditCtrl::GetLimitText
CRichEditCtrl::GetLine
CRichEditCtrl::GetLineCount
CRichEditCtrl::GetModify
CRichEditCtrl::GetOptions
CRichEditCtrl::GetParaFormat
CRichEditCtrl::GetPunctuation
CRichEditCtrl::GetRect
CRichEditCtrl::GetRedoName
CRichEditCtrl::GetSel
CRichEditCtrl::GetSelectionCharFormat
CRichEditCtrl::GetSelectionType
CRichEditCtrl::GetSelText
CRichEditCtrl::GetTextLength
CRichEditCtrl::GetTextLengthEx
CRichEditCtrl::GetTextMode
CRichEditCtrl::GetTextRange
CRichEditCtrl::GetUndoName
CRichEditCtrl::GetWordWrapMode
CRichEditCtrl::HideSelection
CRichEditCtrl::LimitText
CRichEditCtrl::LineFromChar
CRichEditCtrl::LineIndex
CRichEditCtrl::LineLength
CRichEditCtrl::LineScroll
CRichEditCtrl::Paste
CRichEditCtrl::PasteSpecial
CRichEditCtrl::PosFromChar
CRichEditCtrl::Redo
CRichEditCtrl::ReplaceSel
CRichEditCtrl::RequestResize
CRichEditCtrl::SetAutoURLDetect
CRichEditCtrl::SetBackgroundColor
CRichEditCtrl::SetDefaultCharFormat
CRichEditCtrl::SetEventMask
CRichEditCtrl::SetModify
CRichEditCtrl::SetOLECallback
CRichEditCtrl::SetOptions
CRichEditCtrl::SetParaFormat
CRichEditCtrl::SetPunctuation
CRichEditCtrl::SetReadOnly
CRichEditCtrl::SetRect
CRichEditCtrl::SetSel
CRichEditCtrl::SetSelectionCharFormat
CRichEditCtrl::SetTargetDevice
CRichEditCtrl::SetTextMode
CRichEditCtrl::SetUndoLimit
CRichEditCtrl::SetWordCharFormat
CRichEditCtrl::SetWordWrapMode
CRichEditCtrl::StopGroupTyping
CRichEditCtrl::StreamIn
CRichEditCtrl::StreamOut
CRichEditCtrl::Undo
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CRichEditCtrl::LineIndex

Visual Studio 2012

Retrieves the character index of a line within this CRichEditCtrl object.

Copy 
int LineIndex( 
   int nLine = -1  
) const;
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.

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.

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

For more information, see EM_LINEINDEX in the Windows SDK.

C++
Copy 
// The string for replacing.
LPCTSTR lpszmyString = _T("Hello, I'm the new second line.");

int nBegin, nEnd, nIndex;

// Replace the second line, if it exists, of the rich edit control 
// with the text lpszmyString.
nIndex = m_myRichEditCtrl.LineIndex(1);
if ((nBegin = nIndex) != -1)
{
   nEnd = nBegin + m_myRichEditCtrl.LineLength(nIndex); 
   m_myRichEditCtrl.SetSel(nBegin, nEnd);
   m_myRichEditCtrl.ReplaceSel(lpszmyString);
}

Header: afxcmn.h

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