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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。! ^1 `9 ?& d, Z% \' |- W! C& a6 c
  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。
5 L7 U$ O7 ]$ L/ H  c! B) D1 s* I  1.在RichEdit中插入Bitmap/GIF的方法- J  W6 V$ o7 N# r1 }
  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, H; y$ B, W7 i3 t- N* i
ImageDataObect.h. M3 e' t9 e% B. D# X- U/ z. M1 o
====================================================0 A3 ]0 f% k1 I, f. r0 W
#ifndef IMAGE_DATA_OBJECT__H7 M& y3 q5 N' e% e
#define IMAGE_DATA_OBJECT__H
6 A- s0 c, q  b#include <Richedit.h>: k% q6 i: _6 R4 i) o" I
#include <objidl.h.>) N3 ?$ U5 S6 Q' W& _! j6 Y
#include <Richole.h>
8 w+ ~. f% F( C: P" dclass CImageDataObject : IDataObject 5 y+ N* ?% `' X* v- ?$ z
{, {: j5 h  A+ S% q
public:7 Z6 }; l# s5 T0 w, Q
    // This static fumction accepts those parameters:6 b4 [2 ?- m( I$ W/ r  B  F
    // IRichEditOle* : a pointer to IRochEditOle interface for the RichEdit Control' o/ p" Q' \5 O! `0 Q) o# l
    // HBITMAP : the bitmap handle.
5 J: j( q) d& ?3 m7 c' H/ y7 Z    //DWORD dwUser - 位图相关的信( ^2 G1 S  @. r$ @- w' |
    // After calling the function, it inserts the image in the current # j- Z* C6 k* V
    //    position of the RichEdit
6 l3 d0 ]) U( [- q# A2 q& {/ I$ W- ~3 Q    //1 @0 d! M; A8 n2 ]
    static void InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser);
4 k& L' |5 ~/ y$ P4 S+ c9 |; L7 k    static void InsertGif(IRichEditOle *pRichEditOle,const char *gif_file,DWORD dwUser);

$ p9 E9 ^: _3 F. Oprivate:- b9 o8 D. v' v- q, m: p% ~
    ULONG    m_ulRefCnt;
( j- G& \) T) {; {5 x1 W* L6 X    BOOL    m_bRelease;/ I8 S" o4 v% M, F
    // The data being bassed to the richedit4 x  j: I: E' X/ l4 K9 }- R7 t
    //
/ Z( t& r8 t3 T0 u  Q  b& J7 e$ b3 v    STGMEDIUM m_stgmed;
+ o: A% W$ @5 ?& C& ^4 f    FORMATETC m_fromat;
3 e2 d6 h" N( d0 G2 h$ U# s  O- H- bpublic:. a: b7 C4 |" o- o# m
    CImageDataObject() : m_ulRefCnt(0)
- w1 A$ m9 j$ W    {; N2 v2 G, _% ]+ D) a7 m! G. O
        m_bRelease = FALSE;" z6 f2 d4 V  G/ Q9 }
    }4 X5 u# e9 J# q/ }* M5 Y
    ~CImageDataObject()
) R" u: E4 K& _: N+ e2 Q    {
& D! J5 m4 O2 O        if (m_bRelease)) V( u/ ?, I2 X& y0 @3 w
            ::ReleaseStgMedium(&m_stgmed);$ u, Q4 @# T" N
    }
0 O  u4 y- S0 \) \6 w* \    // Methods of the IUnknown interface! ?  R* O6 m& A# R0 \3 I6 Z
    // ( F/ @. P! |( f# d. P! A1 P
    STDMETHOD(QueryInterface)(REFIID iid, void ** ppvObject)
' k" I* g7 `8 R* C    {7 x' d( \3 w, R- [% o8 t
        if (iid == IID_IUnknown || iid == IID_IDataObject)9 l! z$ b3 b3 n- v3 q! I; m
        {, k/ A) q) n* S5 q5 i; h) F
            *ppvObject = this;
2 x8 Y0 l# R1 C1 f! S! S' z            AddRef();; E" M: R( I$ i
            return S_OK;
  t7 N3 H* Z1 `+ n1 N        }5 C) V: \8 w% M' ]4 ]( }. c
        else
8 q% Y% m. q# W- R8 Q; t) o0 j( e4 g1 F            return E_NOINTERFACE;
5 d9 P, V6 {6 E0 t% B# T, J    }
, T$ H% _. P/ Q6 v/ N  i3 B    STDMETHOD_(ULONG, AddRef)(void)# N8 Z% Y4 ~3 s6 D+ [
    {- c+ s2 q% m: ]0 D* R/ M
        m_ulRefCnt++;
1 S: r/ P3 s2 m3 M8 P6 i* p        return m_ulRefCnt;
  E0 Q* ~1 ?5 t    }: ^- f( S6 c' U, z' a) B0 y
    STDMETHOD_(ULONG, Release)(void)0 K6 U! b' D  v9 ^; ?% s
    {9 P* U* |% Q' q' L# U
        if (--m_ulRefCnt == 0)
% o+ |8 W% Y! P+ R. m        {6 R6 E! I9 v/ V3 |  `4 [
            delete this;! E8 t* _- Z8 I# g
        }
1 {0 V4 w$ I! ]  Z: @        return m_ulRefCnt;2 b7 j$ K. x% B  H, _
    }
+ t4 ^4 y6 O$ e    // Methods of the IDataObject Interface
3 ^" u5 h, q# t    //
. W% g3 m8 y  S8 P+ d  v: g    STDMETHOD(GetData)(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) {+ t' t1 v' c/ H: W
        HANDLE hDst;% N' X4 K$ G; m: M! l
        hDst = ::OleDuplicateData(m_stgmed.hBitmap, CF_BITMAP, NULL);
: D9 {5 ~  Z0 @" z        if (hDst == NULL)- _; u1 o0 G2 W, S2 N  y$ B9 f( p& j
        {4 Z" @6 q: v$ Q# U
            return E_HANDLE;
& p6 \6 P) @; G9 H( E3 v        }8 z) ~+ N5 o' q- M: `9 F
        pmedium->tymed = TYMED_GDI;
" P$ k4 w! O3 a        pmedium->hBitmap = (HBITMAP)hDst;
# J- c$ ~' w0 V. v# R$ i        pmedium->pUnkForRelease = NULL;* n' y0 z# B9 z9 O
        return S_OK;
4 S" \$ ]& {$ `/ z7 I( F0 F    }
' a5 a2 ?( t; d5 N/ S   
) r2 i, @7 s& `& Y8 S    STDMETHOD(GetDataHere)(FORMATETC* pformatetc, STGMEDIUM*  pmedium ) + s- J& _) S0 y" M( Y
    {8 s+ T/ i, ~$ _3 R/ @) E" t
        return E_NOTIMPL;
) A4 h9 _7 k" n# @+ Q9 c    }
  G' w- H9 w3 ~$ n; i    8 f- x( j, J  E
    STDMETHOD(QueryGetData)(FORMATETC*  pformatetc )
, w2 k2 i% w  ~0 t3 _+ R# A    {
3 f* y* O6 h5 F  p0 h$ W" X) a        return E_NOTIMPL;
7 ?+ @' c# t+ ]1 t4 ^6 ~* m& g6 b    }% `; \6 P3 h6 S6 D( t1 w
    2 p* V! }- V* _8 {$ S4 ~: [
    STDMETHOD(GetCanonicalFormatEtc)(FORMATETC*  pformatectIn ,FORMATETC* pformatetcOut )     $ w2 [2 }# B; I: ^4 K; l
    {
7 }4 ?; t" M7 h% M* e- O        return E_NOTIMPL;$ C6 i1 x' u, u- |
    }
) N4 q  u' t" u  l8 Y- e" [1 d   
4 S& c2 l* I5 w6 x( O; D& O+ ~2 C2 k    STDMETHOD(SetData)(FORMATETC* pformatetc , STGMEDIUM*  pmedium , BOOL  fRelease ) 1 Z4 V" q; X- a9 e% o4 G
    {8 y7 g4 s5 |6 X+ \3 }
        m_fromat = *pformatetc;2 u6 H' Q/ d5 s2 B: U! k
        m_stgmed = *pmedium;' J5 ?: T3 c' }" m0 L
        return S_OK;4 N6 D4 m+ u2 [- y6 x3 R* p# d+ g
    }( i. D) ^) u5 N0 }, K" i3 F
   
( B% P( Y! g3 B: D5 i$ `4 Y    STDMETHOD(EnumFormatEtc)(DWORD  dwDirection , IEnumFORMATETC**  ppenumFormatEtc )
! t" N$ q& A% \, h8 Z    {; u, J/ \( v  c/ g
        return E_NOTIMPL;
7 H* P" l) x$ E! Q2 d    }
; i, Q$ D% P$ X: K" h$ P. V2 ~   
5 I* s7 i7 E/ d3 e1 i+ l    STDMETHOD(DAdvise)(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink,6 V8 @* b0 a% T/ k2 `
        DWORD *pdwConnection)
8 H' X# ^, g* O( p4 b  F    {1 y5 }0 g3 N& u% }  T
        return E_NOTIMPL;
+ r' c7 Q: v2 O    }
- }& m' B! E- g8 F4 n) X) s% ]   
; \* o: V1 B2 i$ ]% F7 d1 V+ l5 W7 `    STDMETHOD(DUnadvise)(DWORD dwConnection) ' f; H' F7 T# T! X
    {9 A9 [; f: T; x$ E6 r/ g
        return E_NOTIMPL;
( |2 t& e! ~6 j+ Q    }
5 O$ ~% }, }& S! Y$ }; g+ v   
9 j! d9 @, @; J3 B7 ?; F( I* R, F# Z5 ^    STDMETHOD(EnumDAdvise)(IEnumSTATDATA **ppenumAdvise) # d2 `3 p6 h0 Z& _- j' p7 @( Q5 [3 W
    {% o/ \9 g# ~. b
        return E_NOTIMPL;, }$ {3 Q) `  N. V
    }- H. D" `4 v# B7 M6 o
    // Some Other helper functions# S( G3 g" A2 c" P2 s
    //
2 g4 n& h0 B6 `. ^$ I    void SetBitmap(HBITMAP hBitmap);  K7 e/ m% ]' O& w; l, S
    IOleObject *GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage);
! v: k& f- K" G$ A9 K  _: a+ o};
1 V1 T7 a% C7 B* F! z* l) [#endif // IMAGE_DATA_OBJECT__H, e3 d& Z1 }6 ]3 a9 i
===========================
8 _5 h/ J  T# m: l9 G2 q5 Y! M6 XImageDataObject.cpp
+ F1 t3 H! }. I; W#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
9 C4 Y/ X( K) r% L9 ]2 f
#include "ImageDataObject.h"
; h6 o/ b9 M1 P#import "ImageOle.dll" raw_interfaces_only, raw_native_types, no_namespace, named_guids, auto_search
' _; F1 P! {; u: Vstatic CLSID const gif_clsid = { 0x6ADA938, 0xFB0, 0x4BC0, { 0xB1, 0x9B, 0xA, 0x38, 0xAB, 0x17, 0xF1, 0x82 } };
7 g: f. w' |5 B% F& V
void CImageDataObject::InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser)3 y* z8 }% \. ~3 H; J# M3 L* a
{- s" Z1 I& M9 x. E
    SCODE sc;
6 v( W8 L  H7 v3 Q$ W    // Get the image data object2 a; e1 i% m- E; ]1 T+ L: s
    //
* ]- A, V) n3 g, J( a0 D/ f    CImageDataObject *pods = new CImageDataObject;% _; D. f& `2 i4 E+ J$ E. ^" F
    LPDATAOBJECT lpDataObject;
2 e* t. ?; G# G" K' h2 J    pods->QueryInterface(IID_IDataObject, (void **)&lpDataObject);
/ [! Q& i6 ^4 E! ~0 Q, ^4 G6 N2 o    pods->SetBitmap(hBitmap);
. h6 F4 ~9 {( |( _/ U4 o    // Get the RichEdit container site
/ T$ S2 f6 X. U+ x( ]    //% k: `$ h; @7 O  ^/ n
    IOleClientSite *pOleClientSite;   
% {7 `; |% x6 G8 d    - @5 B, t3 d- Q1 n  b8 v
    pRichEditOle->GetClientSite(&pOleClientSite);; c* C- P3 C4 g$ u" V& O/ j: _1 z
    // Initialize a Storage Object6 k0 f  C6 @2 Q8 A% i
    //+ u1 @' N+ [/ @: P$ n& `1 b
    IStorage *pStorage;    * u' j  U# X- F2 d3 ]7 o, c( U
    LPLOCKBYTES lpLockBytes = NULL;
7 J; \( h4 k2 {) h    sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);5 J* Q3 z5 X$ ^. F5 v1 v
    ( C9 c+ X. M* I2 \# B# k7 M6 R* ]
    sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,
4 z6 D% ?& a9 d' [2 \: }& b        STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &pStorage);
2 P& R0 ]/ o7 F. _: w$ Z4 @4 Q1 [) c' J( @0 F
    // The final ole object which will be inserted in the richedit control' P3 T3 ?5 {+ Y+ ^3 e
    //$ a, }! M* X3 U" |5 ^; r6 c
    IOleObject *pOleObject; " C% B5 Q: h( i8 C% L
    pOleObject = pods->GetOleObject(pOleClientSite, pStorage);+ }) ~0 V# y7 ~; b4 b, O, @
    // all items are "contained" -- this makes our reference to this object4 n" q6 \% U# A5 w7 x( ^. g
    //  weak -- which is needed for links to embedding silent update.; u: H0 @+ h) z: {
    OleSetContainedObject(pOleObject, TRUE);
: U+ Z, U: V+ ]( W' U3 ]    // Now Add the object to the RichEdit
: I/ H0 O: r8 D8 T$ J    //
( x* F! b7 C/ {, S* q    REOBJECT reobject;
$ a# W: @7 v" M$ _- }3 V, y( N    ZeroMemory(&reobject, sizeof(REOBJECT));
  p) U- I! P6 E# v, r    reobject.cbStruct = sizeof(REOBJECT);; c, z5 b. K7 E
    4 L" {- ]; X4 T: T
    CLSID clsid;2 w8 x& M# k6 T6 q  l' W4 D+ b
    sc = pOleObject->GetUserClassID(&clsid);8 P. B% ?( g0 s1 b

3 I1 y# y; }% G. h    reobject.clsid = clsid;
: T, D& P8 P" \2 \' t    reobject.cp = REO_CP_SELECTION;3 {; e, e! q8 ?! Q( C5 {+ T
    reobject.dvaspect = DVASPECT_CONTENT;2 @/ v! y; t* F" b" o  L
    reobject.poleobj = pOleObject;$ J0 l9 ]. D; J& r. p( e
    reobject.polesite = pOleClientSite;' W% L: T( V5 {( b
    reobject.pstg = pStorage;$ z7 L9 T! x" P
reobject.dwUser = dwUser;- c7 t; f5 a: K5 [. A* P
    // Insert the bitmap at the current location in the richedit control
8 L- }7 |" J: w0 q  W1 f    //0 I! ~2 ?1 u: ]# @3 ]6 y
    pRichEditOle->InsertObject(&reobject);
( m8 y* T, ?1 p% S& C1 U3 z    // Release all unnecessary interfaces
+ i4 D3 S0 }6 Z$ W5 o    //2 S  \: a: {6 K3 e! K( `
    pOleObject->Release();1 Z0 a9 }3 P7 X5 \/ M4 g: g, z
    pOleClientSite->Release();
% L+ _3 u4 C& I5 L6 D7 w* S; D2 o' ~    pStorage->Release();1 A  U5 X# b: o% Q5 J9 S! L+ l: H
    lpDataObject->Release();
5 E0 |7 a3 X5 q! }}4 y" X7 R% A7 k. ^
void CImageDataObject::InsertGif(IRichEditOle *lpRichEditOle,const char *gif_file,DWORD dwUser)+ v( P2 K1 j9 H. {5 t# b
{
8 \$ ?# N# w  Y0 o2 M$ nLPOLEOBJECT  lpObject=NULL;' b( _+ c$ x' E. T- L& }4 [
LPSTORAGE       lpStorage=NULL;& j* \; A, b0 \" u+ t, r6 Y, \
LPOLECLIENTSITE lpClientSite=NULL;. X- t5 g$ @) J1 f$ _
LPLOCKBYTES  lpLockBytes = NULL;

! r# P4 \  ^3 H4 a+ y  n4 zHRESULT hr=S_OK;
- ~, R+ ]! l' w4 S( j- KCLSID clsid=CLSID_NULL;
. q' o+ p8 H2 ndo{. f9 D: c' \' J0 `  A, O
  hr= ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);# D7 m4 q. I% y8 |
  if (hr != S_OK || lpLockBytes==NULL)
4 f2 ]2 u' M# m6 o   break;

. f0 K6 m) ~, }  [' `) P/ l  hr= ::StgCreateDocfileOnILockBytes(lpLockBytes, STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &lpStorage);8 a) q; `5 S! A$ C" @
  if (hr!= S_OK||lpStorage==NULL) 6 u9 t  G4 k: k5 F
   break;
. W2 C- a# V8 R+ \1 i1 k8 v
  hr=lpRichEditOle->GetClientSite(&lpClientSite);
5 c& d: p0 c( H9 P, G/ \  if (hr!= S_OK||lpClientSite==NULL)
8 i) W2 ^4 @- d# T# K$ P   break;

% {3 Q' C: l4 F1 ^; @8 k) m' u9 r* ~  try- ^8 ?) @9 a; l1 C( [
  {4 o% T9 }' w' `  j& [! w% I8 V3 k
   HRESULT hr;
: d" {8 e) p9 w  D   IGifAnimator *pGif  = NULL;
, D, T9 Y: R7 f   hr = CoCreateInstance(gif_clsid,NULL,CLSCTX_INPROC_SERVER , IID_IGifAnimator,(void **)&pGif);3 K5 B, Z; D4 ?- A6 h
   if(FAILED(hr) || pGif == NULL)
3 N3 `, P# E8 o% O& E# {, f9 T    break ;

/ O9 w( \: |: s( A$ u6 v3 u. X: }   _bstr_t bstrPath(gif_file);
& u# C6 d3 i( S/ g5 K   pGif->LoadFromFile(bstrPath);% ]8 ?6 ?3 n  Q3 e/ F( @9 s
   if(FAILED(hr))
/ F2 y# M$ \9 y8 ^2 ?$ z' M   {
+ [9 P; p# E  }    pGif->Release();! C( E- n& o0 K& ]  I% }
    break ;
3 r; l: v3 n: M   }

  ~5 D# j4 }9 d. _3 R& B   hr = pGif->QueryInterface(IID_IOleObject, (void**)&lpObject);
8 c7 S* t" Q5 ^9 b+ e2 g( p   if( FAILED(hr)||lpObject==NULL) ; F) ?9 w0 r% y2 i% L
   {# n# e+ H) X0 P$ R' r) G9 j) X" N
    pGif->Release();2 _, v3 G4 S# ]7 T' F
    break ;
3 N4 F2 h, j- N1 n4 Q9 a   }8 e& d( l" C  u2 g
   * Y+ _: Y- b% l6 H2 B; Z4 v& |3 Z" C: E
   hr=OleSetContainedObject(lpObject, TRUE);8 `/ {8 W" R: z
   if( FAILED(hr) )
0 d' {+ n) K$ C1 s* I% ^' p   {
3 X  b3 n8 N7 ]8 u4 W! q    pGif->Release();
" ~" n6 n9 L, L3 q1 ]& Z  g) e4 ^    break ;( R& n) L, x7 j
   }; u1 y5 m; g  N6 p
   hr=lpObject->GetUserClassID(&clsid);8 u5 A4 V+ k! r; P
   if( FAILED(hr) )
2 k: Q9 c" Z  n2 V0 A  J! K+ ]   {
2 Z% h6 G0 z; W' U    pGif->Release();0 ~2 E% J/ Q6 x/ l, A/ k, D0 n. n
    break ;
+ G& j. \, l# N& ]   }

7 n! a+ a1 A0 X! q" Y$ n6 g: G: l   REOBJECT reobject;& B5 ^( J1 X+ u) v8 l( ~( @
   ZeroMemory(&reobject, sizeof(REOBJECT));
: I& `# V8 Z# C' U   reobject.cbStruct = sizeof(REOBJECT); / @  r2 z* ^" ^  |
   reobject.clsid = clsid;& @4 a- L. E) ~: D+ o8 y
   reobject.cp = REO_CP_SELECTION;
0 V# C. `% M$ v1 r  b- R  C   reobject.dvaspect = DVASPECT_CONTENT;
. @. y5 \9 A8 O4 H   reobject.dwFlags = REO_BELOWBASELINE;
5 \+ v6 b6 Q9 k) w   reobject.dwUser = dwUser;9 K* ~$ J1 g+ i3 p
   reobject.poleobj = lpObject;
( _8 D% Y0 Q; W2 l   reobject.polesite = lpClientSite;; I$ g" y7 s7 |" r+ M
   reobject.pstg = lpStorage;. }( I5 D( h! i* k) D, B9 n8 s
   SIZEL sizel={0,0};: p0 @( ^5 E. p2 u9 X' F& h1 }
   reobject.sizel = sizel;& D; E2 k3 S+ H# O2 \. z& \  {
   hr=lpRichEditOle->InsertObject(&reobject);
6 j, m5 T2 J  t( o. |  }' i* ^# T8 L; O3 ?: V7 b
  catch( _com_error &e )0 ~8 ^/ t' n  t2 o
  {1 |  E! s- D8 ]& I8 D
  }

7 }7 y1 b9 y/ z' E3 ^6 t  h}while(FALSE);
$ c+ H# l+ a6 I) p$ Vif(lpLockBytes) lpObject->Release();
! Y6 E& `8 t. _if(lpLockBytes) lpLockBytes->Release();" v& s, b( s% i+ Y9 Y8 m
if(lpClientSite) lpClientSite->Release();
; B( R1 p5 b/ i, Y7 |if(lpRichEditOle) lpRichEditOle->Release();
# G* K  x0 e: p! ?! D}0 t0 R0 K9 ?$ Z1 T3 e1 y( b. S* `
8 q$ r8 \& l% c" G' S% Y: h
//////////////////////////////////////////////////////////////////////
* k0 q6 S8 }, q" Y* R0 i, n! v' a// Construction/Destruction6 s! F6 R2 E$ F7 M
//////////////////////////////////////////////////////////////////////
+ j4 M+ M; u* Mvoid CImageDataObject::SetBitmap(HBITMAP hBitmap)
+ T1 u' g/ L% f: D) A3 K. t{
$ e4 {& `! A& c  {0 f" d. g) T2 ^* N
    STGMEDIUM stgm;, Z6 f5 N% Q1 _& F
    stgm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle        % S. g: o; h$ I& B& p2 b- b+ H
    stgm.hBitmap = hBitmap;
* Q1 W4 N. ^2 K4 t+ C) V    stgm.pUnkForRelease = NULL;                // Use ReleaseStgMedium
. ?3 X* l8 f5 J: N; ^+ E    FORMATETC fm;( u( p$ Q+ o9 u% `1 b1 H  W6 y- U
    fm.cfFormat = CF_BITMAP;                // Clipboard format = CF_BITMAP' l+ q* L8 ]- W9 \0 e
    fm.ptd = NULL;                            // Target Device = Screen
7 n) n0 M% {' t: Y9 x    fm.dwAspect = DVASPECT_CONTENT;            // Level of detail = Full content% `  N1 X  N& C  b7 g7 G6 L3 U
    fm.lindex = -1;                            // Index = Not applicaple+ G3 B! J& x7 W& U; \
    fm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle/ ?7 L6 c! O/ g: ~
    this->SetData(&fm, &stgm, TRUE);        
' k5 u0 }7 L" D+ e}
4 {* |3 o0 t& I* V3 sIOleObject *CImageDataObject::GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage)0 S0 d- {( W7 c5 l! R% y9 T/ d
{
2 ~9 `! c( d! T5 f  @" R
$ t0 j% i2 t8 l0 X; H  D* I    SCODE sc;
( p' X$ s# y4 T* W6 \7 }7 L6 z% R    IOleObject *pOleObject;
% O% }* r8 U" E    sc = ::OleCreateStaticFromData(this, IID_IOleObject, OLERENDER_FORMAT, * X3 }% F% Z5 S6 T9 h: x
            &m_fromat, pOleClientSite, pStorage, (void **)&pOleObject);5 l* S& R2 g: f* n
    return pOleObject;
) P" D7 U6 h' ^* [# m}
2 Z9 x$ m1 P% u  j/////////////
+ D1 g5 J9 o, z% Y  OK,下面是想RichEdit中插入bitmap的范例. J8 w# R( @' v2 m, o" V
  CImageDataObject::InsertBitmap(m_sendRichEdit.GetOleInterface(),bmp.m_hBitmap,dwBitmapInfo); , f  F6 @! n& o1 r
  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)。3 A1 o! V3 W: `+ Z3 J
  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。, B/ Q' Y& U5 _# p
  2. 从EditRich中提取位图信息
/ X$ _: l- T: {* X  ]7 j     下面是范例代码,其中原来就不多说了,看代码吧。! I9 o% r( u$ ~; Q0 [
    //获取RichEdit中有几个bitmap,这里假设RichEdit中有位图文件
8 I- n! p& S* \) H    int c = m_sendRichEdit.GetOleInterface()->GetObjectCount();     
0 T; s  O3 O& k7 s" `) J   for(int i = 0 ; i < c ; i++) //遍历位图8 p- v8 a( N5 s9 Q: w3 R/ e
   {
8 y% a; ]. n! F0 V# N       REOBJECT object;  //位图信息存在这里
) l& [+ Q- `4 w, i8 z! \     memset(&object,0,sizeof(REOBJECT));7 h6 }4 ]9 O& Q
     object.cbStruct = sizeof(REOBJECT);7 {+ g$ h/ C- W$ Y7 T) X, S
     m_sendRichEdit.GetOleInterface()->GetObject(i,&object,REO_GETOBJ_ALL_INTERFACES);* m( z# R' k" S% O2 i) K3 Z! G9 z
     int pos = object.cp ; //位图的位置信息
  q- F" J. V7 a6 K* c: O     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8 X3 T( X8 m4 u8 v' B
  }
& S' _- e9 i% p/////////////////////////////////////////////////////
/ Y4 Y! C3 i4 MOVER+ n: g, ]4 Q  o  q( d( X' U
////////////////////////////////////////////////////
% Q  R3 c( d" {3 m; G( L6 w; F* Q. ^) R9 n! m: l$ X# M& k7 |9 m
& m. f! e/ [4 ?4 d
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