리치 에디트

ES_READONLY

RICHEDIT20A

WS_EX_TRANSPARENT

AfxInitRichEdit()
AfxInitRichEdit2()

EM_SETSEL
EM_GETSEL
EM_SCROLLCARET
EM_GETOLEINTERFACE // IRichEditOle
IRichEditOle

.InsertObject()

CRichEditCtrl
    .GetTextLength()
    .SetSel()
    .GetSelText()
    .ReplaceSel()
    .LineScroll()
    .HideSelection()
    .SetFocus()
    .GetWindowText()
    .GetDefaultCharFormat()
    .SetDefaultCharFormat()
        CFM_BOLD
        CFM_ITALIC
        CFM_STRIKEOUT
        CFM_UNDERLINE
        CFM_COLOR

        .crTextColor
        .dwEffects
            CFE_BOLD
            CFE_ITALIC
            CFE_STRIKEOUT
            CFE_UNDERLINE

        .crBackColor
    .SetSelectionCharFormat()
    .SetBackgroundColor()
    .SetFont()
    .GetIRichEditOle() // IRichEditOle

OleCreateFromFile()
OleCreateStaticFromData()
IOleObject

.GetUserClassID()

IDD_RICHTEXT_DIALOG DIALOGEX 0, 0, 457, 374
STYLE DS_MODALFRAME | WS_POPUP | WS_VISIBLE | WS_CAPTION | WS_SYSMENU
EXSTYLE WS_EX_APPWINDOW
CAPTION "RichText"
FONT 9, "굴림"
BEGIN
    CONTROL         "",IDC_RICHEDIT1,"RICHEDIT",ES_MULTILINE |
                    ES_AUTOVSCROLL | ES_AUTOHSCROLL | ES_WANTRETURN |
                    WS_BORDER | WS_VSCROLL | WS_TABSTOP,7,7,443,328
    PUSHBUTTON      "Button1",IDC_BUTTON1,391,344,50,14
END

BOOL CRichTextApp::InitInstance()
{
// {
    AfxInitRichEdit();
// }
    AfxEnableControlContainer();
...
}

#include <Richole.h>

class CRichTextDlg : public CDialog
{
// {
    BOOL CreateFromFile(LPCTSTR lpszFileName);

    LPRICHEDITOLE    m_pRichEditOle;
    LPOLEOBJECT    m_lpObject;
    LPSTORAGE         m_lpStorage;
    LPOLECLIENTSITE    m_lpClientSite;
// }
// Construction
public:
    CRichTextDlg(CWnd* pParent = NULL);    // standard constructor

// Dialog Data
    //{{AFX_DATA(CRichTextDlg)
    enum { IDD = IDD_RICHTEXT_DIALOG };
    CRichEditCtrl    m_ctlRichText;
    //}}AFX_DATA
...
    // Generated message map functions
    //{{AFX_MSG(CRichTextDlg)
    ...
    afx_msg HCURSOR OnQueryDragIcon();
    afx_msg void OnDestroy();
    afx_msg void OnButton1();
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
};

CRichTextDlg::CRichTextDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CRichTextDlg::IDD, pParent)
{
    ...
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
// {
    m_pRichEditOle = NULL;
    m_lpObject = NULL;
    m_lpStorage = NULL;
    m_lpClientSite = NULL;
// }
}
...
void CRichTextDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CRichTextDlg)
    DDX_Control(pDX, IDC_RICHEDIT1, m_ctlRichText);
    //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CRichTextDlg, CDialog)
    //{{AFX_MSG_MAP(CRichTextDlg)
    ...
    ON_WM_QUERYDRAGICON()
    ON_WM_DESTROY()
    ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()
...
BOOL CRichTextDlg::OnInitDialog()
{
    ...
    SetIcon(m_hIcon, FALSE);        // Set small icon
   
    // TODO: Add extra initialization here
// {
    ::SendMessage(m_ctlRichText.m_hWnd, EM_GETOLEINTERFACE, 0, (LPARAM)&m_pRichEditOle);
      ASSERT(m_pRichEditOle != NULL);
// }
    return TRUE;  // return TRUE  unless you set the focus to a control
}
...
void CRichTextDlg::OnDestroy()
{
    CDialog::OnDestroy();
   
    // TODO: Add your message handler code here
    if (m_pRichEditOle)
    {
        m_pRichEditOle->Release();
        m_pRichEditOle = NULL;
    }
}

BOOL CRichTextDlg::CreateFromFile(LPCTSTR lpszFileName)
{
    USES_CONVERSION;

    ASSERT_VALID(this);
    ASSERT(m_lpObject == NULL);     // one time only

    ASSERT(m_lpStorage == NULL);
    ASSERT(m_lpClientSite == NULL);
    LPLOCKBYTES lpLockBytes = NULL;
    CLSID clsid = CLSID_NULL;
    OLERENDER render = OLERENDER_DRAW;
    CLIPFORMAT cfFormat = 0;
    LPFORMATETC lpFormatEtc = NULL;

    SCODE sc;

    sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
    if (sc != S_OK)
        AfxThrowOleException(sc);
    ASSERT(lpLockBytes != NULL);

    sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,
        STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &m_lpStorage);
    if (sc != S_OK)
    {
        VERIFY(lpLockBytes->Release() == 0);
        lpLockBytes = NULL;
        AfxThrowOleException(sc);
    }
    ASSERT(m_lpStorage != NULL);

    // fill in FORMATETC struct
    FORMATETC formatEtc;
    lpFormatEtc = &formatEtc;
    lpFormatEtc->cfFormat = cfFormat;
    lpFormatEtc->ptd = NULL;
    lpFormatEtc->dwAspect = DVASPECT_CONTENT;
    lpFormatEtc->lindex = -1;
    lpFormatEtc->tymed = TYMED_NULL;

    // attempt to create the object
    m_pRichEditOle->GetClientSite(&m_lpClientSite);

    sc = ::OleCreateFromFile(clsid, T2COLE(lpszFileName),
        IID_IUnknown, OLERENDER_DRAW, lpFormatEtc, m_lpClientSite, m_lpStorage,
        (void**)&m_lpObject);
    if (sc != S_OK)
        AfxThrowOleException(sc);

    // m_lpObject is currently an IUnknown, convert to IOleObject
    if (m_lpObject != NULL)
    {
        LPUNKNOWN lpUnk = m_lpObject;
        lpUnk->QueryInterface(IID_IOleObject, (void**)&m_lpObject);
        lpUnk->Release();
        if (m_lpObject == NULL)
            AfxThrowOleException(E_OUTOFMEMORY);
    }

    // all items are "contained" -- this makes our reference to this object
    //  weak -- which is needed for links to embedding silent update.
    OleSetContainedObject(m_lpObject, TRUE);

    ASSERT_VALID(this);
    return TRUE;
}

void CRichTextDlg::OnButton1()
{
    // TODO: Add your control notification handler code here
    CreateFromFile("...");


    REOBJECT reobject;
    ZeroMemory(&reobject, sizeof(REOBJECT));
    reobject.cbStruct = sizeof(REOBJECT);

    CLSID clsid;
    SCODE sc = m_lpObject->GetUserClassID(&clsid);
    if (sc != S_OK)
        AfxThrowOleException(sc);

    reobject.clsid = clsid;
    reobject.cp = REO_CP_SELECTION;
    reobject.dvaspect = DVASPECT_CONTENT;
    reobject.dwFlags = REO_RESIZABLE | REO_BELOWBASELINE;
    reobject.dwUser = 0;
    reobject.poleobj = m_lpObject;

    ASSERT(m_lpClientSite != NULL);
    reobject.polesite = m_lpClientSite;

    ASSERT(m_lpStorage != NULL);
    reobject.pstg = m_lpStorage;

    SIZEL sizel;
    sizel.cx = sizel.cy = 0;
    reobject.sizel = sizel;


    HWND hWndRT = m_ctlRichText.m_hWnd;
    ::SendMessage(hWndRT, EM_SETSEL, 0, -1);
    DWORD dwStart, dwEnd;
    ::SendMessage(hWndRT, EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd);
    ::SendMessage(hWndRT, EM_SETSEL, dwEnd+1, dwEnd+1);


    CString strCr = "\r\n";
    m_ctlRichText. ReplaceSel(strCr,TRUE);


    m_pRichEditOle->InsertObject(&reobject);


    ::SendMessage(hWndRT, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);


    if (m_lpObject)
    {
        m_lpObject->Release();
        m_lpObject = NULL;
    }
    if (m_lpStorage)
    {
        m_lpStorage->Release();
        m_lpStorage = NULL;
    }
    if (m_lpClientSite)
    {
        m_lpClientSite->Release();
        m_lpClientSite = NULL;
    }   
}

참조 사이트:

http://support.microsoft.com/kb/220844/en-us/
http://www.codeguru.com/Cpp/controls/richedit/article.php/c5383/
http://www.codeproject.com/KB/edit/AnimatedEmoticon.aspx?display=Print
http://www.codeproject.com/KB/edit/COleRichEditCtrl.aspx?display=Print
http://jjjryu.tistory.com/entry/%EC%97%90%EB%94%94%ED%8A%B8-%EC%BB%A8%ED%8A%B8%EB%A1%A4
http://jjjryu.tistory.com/entry/OLE-%EB%B3%B5%ED%95%A9%EB%AC%B8%EC%84%9C