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RichEdit中插入Bitmap/GIF动画以及获取这些元素的信息的方法

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发表于 2006-12-11 22:33:14 | 显示全部楼层 |阅读模式
  利用RichEdit制作表情控件是,首先需要向RichEdit中插入图片(Bitmap)或GIF动画,然后需要从RichEdit中获取Bitmap/GIF的信息,以便向远端传送。
: ?7 n6 ?+ V8 g) h  本人对RichEdit了解很有限。下面是本人根据网上找到的资料,以通过看MSDN整理出来的实现在RichEdit中插入Bitmap与/GIF的方法,在这里共享给大家。RichEdit方面的高手不要取笑。
- ^* c3 O% D( [! x4 v$ T  1.在RichEdit中插入Bitmap/GIF的方法
$ S& V; ~! h6 |  下面的代码是从网上找来的,我稍微作了一点修改(代码中红色部分是我改过的)。# m+ P- U! t1 q: r: ]6 l, X
ImageDataObect.h
, O9 T- U1 `1 ^" ]& m: t& n====================================================1 E% X% S& g, g! B# [8 z9 Z1 w7 W
#ifndef IMAGE_DATA_OBJECT__H
5 x. y' _& R* g0 S. H2 X  @#define IMAGE_DATA_OBJECT__H$ L: W1 r5 l  }
#include <Richedit.h>/ v  P9 r& _8 E5 V( @
#include <objidl.h.>" L4 ~- ?# P9 r) v
#include <Richole.h>
6 ^, U9 P2 r( {class CImageDataObject : IDataObject
6 f$ g, p6 }& J! W& `  d7 o  M. N6 G{
2 s9 O% `: A* l5 N3 Epublic:
0 K+ X  c1 g! _- U, S    // This static fumction accepts those parameters:5 r8 n1 o/ b* q. @$ l# V, ^/ C
    // IRichEditOle* : a pointer to IRochEditOle interface for the RichEdit Control
# _1 A' z5 @( _8 D    // HBITMAP : the bitmap handle.
! O4 }1 S9 S# y5 r' Q: N9 Y    //DWORD dwUser - 位图相关的信# k& o+ P# i  b- |; ~+ i
    // After calling the function, it inserts the image in the current
/ N, C- [/ p+ D; C* G3 B    //    position of the RichEdit
4 Q8 F8 u+ ]3 c6 R+ q( a    //
" ~" W, I* ]! i7 |    static void InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser);
* j6 Z( b  c: V+ L- ^    static void InsertGif(IRichEditOle *pRichEditOle,const char *gif_file,DWORD dwUser);
- I  ]' ^% k1 W" F. P  m
private:
1 y2 h2 N: x* K  n4 p2 |* ~    ULONG    m_ulRefCnt;% ^2 J2 d# F+ K2 x+ G! h9 ?$ F7 d; w3 V( {
    BOOL    m_bRelease;
1 o$ u6 i6 b) m) c4 y7 K    // The data being bassed to the richedit
' E0 {1 S7 N9 ]! A: o    //
" b% H. v- i  v9 I  [$ p8 J    STGMEDIUM m_stgmed;+ l: Y5 T! l& K- o
    FORMATETC m_fromat;
4 S/ h: c8 p& Q" h8 L( V' ?$ ipublic:
: x$ x* J1 D; p' _: q9 p5 k    CImageDataObject() : m_ulRefCnt(0)
9 A8 j) `& ?5 {" h4 W* z4 P    {# ]. G% B# C7 y( Y* ^, F* [- f
        m_bRelease = FALSE;
- u% s5 T! Q' H! q# S5 B    }6 `' ?+ {# V4 w+ I+ x7 V" |
    ~CImageDataObject()
- c/ U- i# }1 b1 h5 D    {: d* o4 ?$ n6 X" s2 y, O# Q
        if (m_bRelease)& I  x( B0 @( l! w
            ::ReleaseStgMedium(&m_stgmed);
# w* Z) q1 L/ I* C* i1 |9 R2 G    }
) M- Z+ Y( y; X  F    // Methods of the IUnknown interface
- a% P1 }( ~* g/ ]    //
% j* x$ J6 v5 Y, ?9 a    STDMETHOD(QueryInterface)(REFIID iid, void ** ppvObject)
. i  V/ j; [$ `  K- K1 \; i9 t. T2 Y0 U    {4 l+ Y! C3 T" D/ }4 F9 u
        if (iid == IID_IUnknown || iid == IID_IDataObject)" f  P& f$ ]# Y# r
        {
( F& Z6 Y9 z$ `" |, w            *ppvObject = this;
. g7 ^9 [9 \" p  R; T6 w. N            AddRef();, w5 L/ g8 X# ~$ N
            return S_OK;% c" t5 S# b/ U/ s$ m# H1 r
        }
( L9 l8 F  [6 ~9 a: t        else, u) _+ c; O/ i4 n* e, D5 g
            return E_NOINTERFACE;$ M: }) V' [& t" A7 d% Q! w
    }
1 B% f' K6 R  ^, _8 L! O3 }  w    STDMETHOD_(ULONG, AddRef)(void)$ Y1 V# p5 P! d& p" i/ j" U
    {" l5 [5 c- E1 M4 g
        m_ulRefCnt++;$ k* w* P+ B1 D0 B! b6 ~/ @! |
        return m_ulRefCnt;
8 K3 [/ ^- u. f2 E6 E( X    }
* u5 p* |" B1 V  c7 C    STDMETHOD_(ULONG, Release)(void)% P3 d% Y( B0 C5 o
    {! q- `* B/ @0 P: }8 Y
        if (--m_ulRefCnt == 0)
4 h9 l% s  b) e+ Q# D        {' |+ J- r! M3 z2 ?- H
            delete this;: J2 k% X8 [) S, ^
        }: b  `/ p* u" G
        return m_ulRefCnt;
8 C. A. ^# }% V. E  Q( ]% V) z    }
9 E' x) m% c" Z) i: [+ ]6 e6 j+ F    // Methods of the IDataObject Interface
! S3 F# L  a* o- _% `) f9 `    //) D3 h/ S/ i7 x: z- O) Q
    STDMETHOD(GetData)(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) {
- h4 v# H. A* h2 @% Q1 h+ u        HANDLE hDst;& C% b4 |: r' r) e
        hDst = ::OleDuplicateData(m_stgmed.hBitmap, CF_BITMAP, NULL);/ [- L# n, u$ I" T. a7 m" K
        if (hDst == NULL)
1 x) H4 F) O1 h7 G% B4 s8 T        {7 A* g3 X, E' h6 H& }9 o. n
            return E_HANDLE;
' s2 S0 F. a9 H5 ?1 W  P        }
  T4 a6 A3 {% c- W: N# e        pmedium->tymed = TYMED_GDI;" c, w3 R7 ]9 }, K) D0 h
        pmedium->hBitmap = (HBITMAP)hDst;
1 l$ l8 d7 u" J1 \6 X' e* J        pmedium->pUnkForRelease = NULL;
: |& h8 I, u0 [5 l$ D; B/ l* D        return S_OK;+ R/ @* w: a  Z- J; K
    }- `. K* t. O! U
   
+ k( t+ M3 A% g& j( U, i    STDMETHOD(GetDataHere)(FORMATETC* pformatetc, STGMEDIUM*  pmedium )
( J9 ]& j$ {( _& C- T    {
& J& W# ~" _. t6 w- R        return E_NOTIMPL;
# }' K- |/ b$ q    }
/ U' J; f0 o5 |    % z; {' J. M6 F5 Z' j" [
    STDMETHOD(QueryGetData)(FORMATETC*  pformatetc )
7 m" k+ g7 C% u6 E    {
; w2 M9 W' N" Q, n6 b        return E_NOTIMPL;
% }$ y2 n. Q8 I0 x/ y    }' w* G8 j5 M- f  l8 H1 \: u* t+ c! J
   
8 D$ B" _5 \5 v3 W    STDMETHOD(GetCanonicalFormatEtc)(FORMATETC*  pformatectIn ,FORMATETC* pformatetcOut )     
2 |* a( K9 `7 _    {5 Y, L. l- X- K5 }( _
        return E_NOTIMPL;
1 w: P$ r( v/ l- O: H8 R    }# r+ p/ b* U/ q2 G$ v! _. ~# Z' L
    1 A" y% ]5 {; p7 K
    STDMETHOD(SetData)(FORMATETC* pformatetc , STGMEDIUM*  pmedium , BOOL  fRelease )
) J  t: Z9 \% D8 r# K5 T    {5 m5 `2 _$ R4 ~2 l, ^$ X7 P3 `
        m_fromat = *pformatetc;! T8 a9 @5 g, ]! S  J  T5 s
        m_stgmed = *pmedium;
" W+ W. D; _+ {/ Q* c" q        return S_OK;
) s3 p$ J+ k% J! }    }" P" R, ]  y2 G3 k* ~
    / w4 L- `$ d# T7 {$ w
    STDMETHOD(EnumFormatEtc)(DWORD  dwDirection , IEnumFORMATETC**  ppenumFormatEtc )
4 ?1 j. }& H  X    {& m6 T/ `: s) ?6 U8 M
        return E_NOTIMPL;  Z& u. r6 }7 `& K. Y# p0 T$ f
    }
. N% C5 |) ]6 v. |3 [  P7 y& ~8 {   
+ v( `+ s5 g# s$ G    STDMETHOD(DAdvise)(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink,0 d. E& _8 h1 P( A1 M0 L4 @, l
        DWORD *pdwConnection) 0 D+ ?1 z; Q3 q- l, p( m3 r
    {
% j" }, x& f1 W& O# X6 g5 X+ L        return E_NOTIMPL;0 j8 m* o0 {+ t7 x+ f% t: z  {
    }
/ S( r8 k) v- Y" c0 \   
! Y3 Y* o/ W. R1 M! R; a    STDMETHOD(DUnadvise)(DWORD dwConnection) 0 x+ R. M, [/ z' B
    {
6 J( f* n9 }& q( l+ m3 C5 Q        return E_NOTIMPL;
) d4 P1 r/ L8 E, N+ M7 r6 |+ a    }* S  N# m: \( r- j( g/ R
   
/ s7 l" U6 Z0 Q8 Q. Y: g: i    STDMETHOD(EnumDAdvise)(IEnumSTATDATA **ppenumAdvise)
3 P1 H8 J" p; M/ _& Q3 `" N    {
% e/ D+ k. v3 }5 e3 e! p* N/ S" Y* _        return E_NOTIMPL;; X# N1 C7 B6 T6 ]' d( N* N: _/ j
    }8 E0 d: c% i* a8 e0 E% L
    // Some Other helper functions
* b3 [3 r9 ?( o; r+ l" H& v6 g1 H    //
6 D+ \: C0 x! }; ~$ f# ~+ M    void SetBitmap(HBITMAP hBitmap);
% r" u- q' Y( ~2 a  U" T6 U    IOleObject *GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage);
' D7 i/ P+ o: h) u" l};
2 M3 {! t+ e- x( L4 n#endif // IMAGE_DATA_OBJECT__H
2 r. J& g6 O; E8 f5 ^2 u: _9 L===========================
4 A$ H) ^1 N  ?, |% A* BImageDataObject.cpp
! F# ]0 n( P5 A' n# c. Q+ o* V#include "stdafx.h"  //我很不喜欢这个头文件,这个程序只能在windows下运行,就留着吧
+ c. ]) s6 ?' I9 Q5 {+ s3 f
#include "ImageDataObject.h"
2 s, B- [5 i/ l; j#import "ImageOle.dll" raw_interfaces_only, raw_native_types, no_namespace, named_guids, auto_search- v( j% t( H# O7 B9 b/ |. s
static CLSID const gif_clsid = { 0x6ADA938, 0xFB0, 0x4BC0, { 0xB1, 0x9B, 0xA, 0x38, 0xAB, 0x17, 0xF1, 0x82 } };

6 l% f7 s8 T4 F; j$ ]9 ovoid CImageDataObject::InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser)
' F% l1 F1 f5 j5 @6 Q, D2 B{
  p- F5 W- t; z5 B    SCODE sc;
" V  ]! f0 T8 o& Y% Y    // Get the image data object# @7 ]6 \: u7 ^$ W
    //
6 W  @& R  M8 Z) R6 v    CImageDataObject *pods = new CImageDataObject;3 V* d: i8 ~) \* s
    LPDATAOBJECT lpDataObject;/ T7 K# \7 a2 Q
    pods->QueryInterface(IID_IDataObject, (void **)&lpDataObject);& b6 {5 S& L" d' J$ u
    pods->SetBitmap(hBitmap);
  e" m7 @0 ]& y    // Get the RichEdit container site$ V! d' T5 J% c* Q
    //- r2 ^" P. |. ~- I  E7 F
    IOleClientSite *pOleClientSite;   
; ^4 u- y& K. n4 S! L# k+ b( @   
. f7 g# i% Q- W4 Z4 y    pRichEditOle->GetClientSite(&pOleClientSite);& p; ]! W6 \9 W5 z6 \4 s; _1 f
    // Initialize a Storage Object  x' w8 j8 u1 Q; B/ g6 F
    //
5 p/ o; }9 E: w6 W7 @    IStorage *pStorage;    ) I% e; r& P  y# S5 w
    LPLOCKBYTES lpLockBytes = NULL;1 ?% H& E& }3 P2 A2 e
    sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
9 ^1 N% h& V2 M5 }, w, V" k* b   
2 c( e7 }' ^& G/ I( z/ J    sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,6 a) e. M! v: j$ l* O
        STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &pStorage);. e4 B- C# R4 c: V" {1 k6 g% `

; d; p1 v( F# L1 A    // The final ole object which will be inserted in the richedit control
  _; q$ s: q! l5 j. J    //
! }9 n* m% K, C0 ~8 I5 s1 t    IOleObject *pOleObject; ' U( Y; q  e$ U6 j1 ~0 W  R8 k
    pOleObject = pods->GetOleObject(pOleClientSite, pStorage);
9 v( ~# [+ o" n    // all items are "contained" -- this makes our reference to this object
8 n3 z( k, ~! Z" X9 u    //  weak -- which is needed for links to embedding silent update.% @9 I# K- _! g) L
    OleSetContainedObject(pOleObject, TRUE);- y9 V! \2 R. b( B6 \) s: b
    // Now Add the object to the RichEdit
8 U4 n# ]. N9 X' g' F, P3 m: P; y    //
+ D  i5 i1 e8 ~# t% _  R0 B    REOBJECT reobject;$ N1 T+ G+ q( P
    ZeroMemory(&reobject, sizeof(REOBJECT));; W3 S7 F& w3 p8 T; @' [% e+ z
    reobject.cbStruct = sizeof(REOBJECT);8 W2 e# m; ^6 D5 l
    * G" ]! ?2 c, x2 j4 ^8 @
    CLSID clsid;
  \6 r. z8 U6 _9 G/ o    sc = pOleObject->GetUserClassID(&clsid);0 g% q2 G0 ]* D" ?& |' y8 E
- y/ m" {9 t$ k: |3 {7 L* f
    reobject.clsid = clsid;0 f! M7 U. \+ z  g. ~5 F/ D6 G
    reobject.cp = REO_CP_SELECTION;: C4 V. d  y3 m" F& q0 v
    reobject.dvaspect = DVASPECT_CONTENT;. T0 s1 M$ E( j1 u& w
    reobject.poleobj = pOleObject;2 V/ ^' p' l: d; [- m' G
    reobject.polesite = pOleClientSite;& _9 v3 {8 E0 m$ v& u+ J
    reobject.pstg = pStorage;
5 `* @5 h8 b( O( Vreobject.dwUser = dwUser;: N4 l; j# A) A; n6 b! U8 _3 ^2 \
    // Insert the bitmap at the current location in the richedit control
5 ?3 t$ q& M" j    //
6 Q- b/ g# j" G) n# l7 i! E- w! y; a    pRichEditOle->InsertObject(&reobject);2 b2 e7 ?' `6 _* c" ~
    // Release all unnecessary interfaces# j$ ?# N& G! u7 Z# f! v
    //
- o# U! h5 G. V6 c: l9 H, P# g    pOleObject->Release();
: b6 Y3 f8 V3 p% Z) E# ~    pOleClientSite->Release();
. A; c  I9 W# ~    pStorage->Release();
0 z2 u/ ^; q- E' O' Z  `# y, l7 ]' J) e* w    lpDataObject->Release();
; q( c. z" A/ D- d}
4 O8 F- f; F0 f" evoid CImageDataObject::InsertGif(IRichEditOle *lpRichEditOle,const char *gif_file,DWORD dwUser)
+ ]0 D- P* a  z{
; `" S# p9 R3 T- LLPOLEOBJECT  lpObject=NULL;
, Q" ~' f5 L2 S  fLPSTORAGE       lpStorage=NULL;
2 f2 \7 q8 S( |- eLPOLECLIENTSITE lpClientSite=NULL;' g6 i' H; B8 a, c5 O) J* c8 k
LPLOCKBYTES  lpLockBytes = NULL;
& f$ F$ r9 ^0 n- W
HRESULT hr=S_OK;
- b/ l9 |9 D/ D3 T- vCLSID clsid=CLSID_NULL;
/ d3 y/ F6 B: L5 Kdo{/ H1 l  h& D; t3 Y
  hr= ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
4 {; A1 |; V- M( D+ E$ j& p  if (hr != S_OK || lpLockBytes==NULL)
# s' s4 M0 B0 o; k( F   break;
' I6 @4 j6 c1 C8 J
  hr= ::StgCreateDocfileOnILockBytes(lpLockBytes, STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &lpStorage);
- r* Z; i( [  ^( `9 {7 V3 |  if (hr!= S_OK||lpStorage==NULL) 7 `1 Z; ?# S8 Z
   break;

! Q: J& P" v; ~( D' R  hr=lpRichEditOle->GetClientSite(&lpClientSite);" i* P1 u- d. b1 s% v
  if (hr!= S_OK||lpClientSite==NULL)
7 X' H1 V  Q' V# I, m   break;
/ y0 W+ L- D  R; r8 |1 R2 J$ A
  try
( U5 Z+ W2 G6 A3 d# J2 U  Q  {7 b: q5 N9 a' C' g; D
   HRESULT hr;
$ z5 j: U* s) s8 k" L0 }   IGifAnimator *pGif  = NULL;' _5 w% i. \/ n& R
   hr = CoCreateInstance(gif_clsid,NULL,CLSCTX_INPROC_SERVER , IID_IGifAnimator,(void **)&pGif);2 a3 V$ k! u, C& v) p2 I  r
   if(FAILED(hr) || pGif == NULL)
: m& ^6 V$ ~& [. e$ ?9 x7 A$ B    break ;

1 d) u8 @, `8 |" U9 q   _bstr_t bstrPath(gif_file);# [! o& B& ~5 v& p1 M+ K
   pGif->LoadFromFile(bstrPath);: O0 `, s7 P( Z' o7 ~" P/ w/ y
   if(FAILED(hr))4 n# o$ l5 u1 f" n2 x8 D6 Q( b
   {
/ s8 g2 l7 O% a; {8 Y' H  f    pGif->Release();, E/ x0 V$ L& D& C2 V! }4 `; l
    break ;3 `& y0 s/ e5 F9 R  t! c: t
   }

/ J# N; W' |- \' L1 Y7 s. |0 M; ^   hr = pGif->QueryInterface(IID_IOleObject, (void**)&lpObject);% i9 a2 t( c( L- k- e; u7 G0 J
   if( FAILED(hr)||lpObject==NULL)
/ }4 M" H3 k& K8 U; ?   {
: M  v( n+ @1 ?1 G- a+ n9 Z, F    pGif->Release();+ I7 r3 g7 L( A/ ^7 F. I
    break ;6 {( s3 h, h5 U+ @* d! I
   }+ P* r$ N, n2 ]0 ^' o+ M( h
   ( i3 m6 h) q6 t- j( H6 j& y
   hr=OleSetContainedObject(lpObject, TRUE);
) Z0 r% P  k& b: D: ]; X   if( FAILED(hr) )
& O2 m( |3 _$ |) Q3 t. h" c- J7 K9 j   {
6 M$ O" D: h- O3 d    pGif->Release();
. }4 A" T* [2 V6 Q" W+ x4 @    break ;! Z9 U! G' Q8 q9 s9 m1 k
   }5 l. C* A2 o6 r( [% d; s
   hr=lpObject->GetUserClassID(&clsid);/ x- n8 e# j$ Q" C+ E# W: {7 R, Q
   if( FAILED(hr) )) ~& B/ N. R1 W5 W9 H6 _) u# Y
   {
; m; A9 _9 U' x/ R! q# }    pGif->Release();
- j8 U* O, |/ Q& E% E  e: M    break ;8 ^& V- o! h' X4 Y# J6 K
   }
- N- M" d( e7 t
   REOBJECT reobject;
4 p% y* h) |% J' J8 E+ d   ZeroMemory(&reobject, sizeof(REOBJECT));0 ~/ x6 f4 c  A1 i
   reobject.cbStruct = sizeof(REOBJECT); 3 l# A: k! ?/ M. K
   reobject.clsid = clsid;* w) c, g: l6 ^8 s" a+ b" j
   reobject.cp = REO_CP_SELECTION;6 ]- }3 B1 T7 ^0 a% K
   reobject.dvaspect = DVASPECT_CONTENT;; W- V& O. ~* B- r
   reobject.dwFlags = REO_BELOWBASELINE;
1 |7 k$ p3 o. |   reobject.dwUser = dwUser;
* R& K, p% j0 ^8 @9 y. x5 j   reobject.poleobj = lpObject;- x$ b2 k9 @+ Q! Y, X( x
   reobject.polesite = lpClientSite;
4 X1 w: F- ]+ @   reobject.pstg = lpStorage;
! M! `5 j2 A) Y- Y+ ^# ?   SIZEL sizel={0,0};
9 q3 P; t1 Q& V% i% |   reobject.sizel = sizel;. Q) `$ d* c$ ~4 `# s
   hr=lpRichEditOle->InsertObject(&reobject);
5 b2 S: W/ r7 t1 b( U! @! T  }9 q5 y: D9 y. r# F6 E6 n, F1 {
  catch( _com_error &e )! `0 ^+ o( y2 Z  [8 g" y6 s% u
  {
9 K/ Z# h: q( u  w9 x# P5 a- ?8 L  }
- E1 b- I3 O$ ]6 U- ~" T
}while(FALSE);
6 y: [3 F: l3 {) v% ^7 `if(lpLockBytes) lpObject->Release(); % J$ _$ b- \1 \  A! g
if(lpLockBytes) lpLockBytes->Release();
$ p5 N9 A4 F3 ]" y) e- ]& J+ fif(lpClientSite) lpClientSite->Release();
, m+ \  l( y8 W0 u$ v: ~# F* Iif(lpRichEditOle) lpRichEditOle->Release();: j: {  O* x$ f6 T( x+ N0 P/ U
}
$ v3 b  E: a! ]
6 R+ D  K% c: S
//////////////////////////////////////////////////////////////////////! `) }, _; o6 B- ]/ ~3 ]  v
// Construction/Destruction
% _0 p' F+ p% X# @: D+ @5 ~0 m! C//////////////////////////////////////////////////////////////////////, P5 ^4 `7 E6 n1 H( Z& m8 U8 {$ }5 F
void CImageDataObject::SetBitmap(HBITMAP hBitmap)9 d& O, H' t5 k
{
) h8 x7 Y- k: r7 {
6 P- M4 Z. l) d+ Z5 W9 _    STGMEDIUM stgm;
# [" l1 u' i% N6 A) V    stgm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle        # O+ o, }0 i" x# ]# |
    stgm.hBitmap = hBitmap;+ m3 ~2 P, r- \+ A$ s3 k8 p
    stgm.pUnkForRelease = NULL;                // Use ReleaseStgMedium
# y1 K9 l7 N% X6 _+ r/ k+ U    FORMATETC fm;: w6 V" v! T7 }4 u! p0 k) `3 W; O
    fm.cfFormat = CF_BITMAP;                // Clipboard format = CF_BITMAP& k9 c$ D( \* z+ K
    fm.ptd = NULL;                            // Target Device = Screen& z$ ^" p& A; C. H! h
    fm.dwAspect = DVASPECT_CONTENT;            // Level of detail = Full content
9 }' T& o* H* j1 b9 ~; O; s+ O    fm.lindex = -1;                            // Index = Not applicaple, B3 j4 ?: G( \9 R5 m& S* o$ o
    fm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle
8 t3 N, T6 i1 r& B" ?5 }3 [1 w6 S    this->SetData(&fm, &stgm, TRUE);        
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IOleObject *CImageDataObject::GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage)
  h5 ~7 A* I0 r1 A" n  C{
  i# X( R, V" [, a% J1 w* L% u/ q1 w9 h' x9 V
    SCODE sc;
/ |# o# c4 @6 q% U( f8 M3 C: Y    IOleObject *pOleObject;* F( A: q3 W0 e" w+ i( p( y6 }& G
    sc = ::OleCreateStaticFromData(this, IID_IOleObject, OLERENDER_FORMAT,
" ]8 u2 v# S0 o6 x9 _7 X            &m_fromat, pOleClientSite, pStorage, (void **)&pOleObject);5 H3 {8 {2 T* a+ F, B0 X6 f
    return pOleObject;
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/////////////
4 K$ g" f) O" l' p8 b  OK,下面是想RichEdit中插入bitmap的范例
3 X  s5 X7 A0 E4 Y  CImageDataObject::InsertBitmap(m_sendRichEdit.GetOleInterface(),bmp.m_hBitmap,dwBitmapInfo);
/ y2 @" u" P' j+ Q" R8 K0 e  上面是m_sendRichEdit是一个RichEdit控件(这段代码是从一个WTL项目中提取出来的)。) ^, C- P! P1 P' |5 {" y
  注意:上面的dwBitmapInfo就是应用程序设置的与插入RichEdit中的Bitmap相关的信息。. t. J. h# B. X+ R7 ?. }3 g. t
  2. 从EditRich中提取位图信息
/ R2 g7 U4 }; |, F     下面是范例代码,其中原来就不多说了,看代码吧。/ V9 ~  w  {9 t
    //获取RichEdit中有几个bitmap,这里假设RichEdit中有位图文件
; E9 a. c3 |1 t# x; M' l. v    int c = m_sendRichEdit.GetOleInterface()->GetObjectCount();     
9 O& Y( |  ^5 K& X   for(int i = 0 ; i < c ; i++) //遍历位图# Z6 ^- i: V. z
   {1 t2 m2 V! x8 M8 H9 k
       REOBJECT object;  //位图信息存在这里( F; N* Z/ a1 f
     memset(&object,0,sizeof(REOBJECT));
' @; p. T5 F, o4 v  Q9 y     object.cbStruct = sizeof(REOBJECT);7 _- m$ q* I4 h+ O! f
     m_sendRichEdit.GetOleInterface()->GetObject(i,&object,REO_GETOBJ_ALL_INTERFACES);- {! `. S8 ^2 m  ^2 n
     int pos = object.cp ; //位图的位置信息
7 r8 _9 H) h2 n' \2 [, x     DWORD dwUSer  =object.dwUSer ; //位图的信息,之前应用程序设置的,应有程序当然知道什么意思了
( u- c9 O  y6 [9 U  }3 W9 _* [9 {1 q3 E) q# r
/////////////////////////////////////////////////////! _' N+ n& [/ g
OVER
' X9 B  h4 [  I  x. c////////////////////////////////////////////////////
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