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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。
4 z1 M$ A1 Y$ q4 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。/ {+ ^' D2 g5 R9 \
  1.在RichEdit中插入Bitmap/GIF的方法
% Q2 E7 O/ z$ I  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)。
! X' l/ I, B2 i" z: z* `5 ]ImageDataObect.h
$ x' i- ?5 e* G$ F====================================================: z. A5 _7 A9 i2 L; ]* s# I
#ifndef IMAGE_DATA_OBJECT__H! ~* v) N4 N+ B7 ~) k+ A+ d/ Y4 I6 M
#define IMAGE_DATA_OBJECT__H2 J) N  B8 i- ~6 M1 G, I( d, s; W
#include <Richedit.h>
, g) b& p. {( }9 p; K# h" w#include <objidl.h.>
) ?# H  H  d" m& n# ?% l. [* g! j#include <Richole.h>" ^- ^# x( j# N2 A" I, y$ W+ S
class CImageDataObject : IDataObject 1 u1 m. ]7 p) z& v1 ?
{
  \( v8 ]& u) ?- Q/ C& g8 Tpublic:
' I6 j. ?& q- e2 U, k9 X- p8 U/ Z    // This static fumction accepts those parameters:
4 \8 t  F) \& B+ r    // IRichEditOle* : a pointer to IRochEditOle interface for the RichEdit Control& R8 w( ^7 }& M: A
    // HBITMAP : the bitmap handle.
" R. W" ^- {0 O0 a4 O    //DWORD dwUser - 位图相关的信
7 a: A6 a, u8 _; O: S    // After calling the function, it inserts the image in the current
% `0 `; e. c& s2 ~) q    //    position of the RichEdit: S. t# Q# D& A3 q
    //
( e( L( Y& o: \  i9 |    static void InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser);4 ~8 u1 m7 z5 y* y( d3 P% X' A  O
    static void InsertGif(IRichEditOle *pRichEditOle,const char *gif_file,DWORD dwUser);
: F# G* K4 Y, ?0 X7 Y
private:4 t5 z9 J' R4 V4 |# T
    ULONG    m_ulRefCnt;6 V' e6 l3 o0 V2 h6 Y
    BOOL    m_bRelease;. Z) ?- d) X5 r7 @
    // The data being bassed to the richedit- R4 W* h0 }0 k9 K! m; O
    //
* _) J$ T8 I, q, S0 F  \    STGMEDIUM m_stgmed;
6 Q4 A' \; J) V3 l8 _, n    FORMATETC m_fromat;+ T! P& D; ^6 E0 R5 p3 V
public:7 q, W8 ?( \) h% k; c  |: D# M
    CImageDataObject() : m_ulRefCnt(0)
. l7 K, X1 a) A4 [5 ]; t    {+ J# F2 V1 \5 w8 Z% d; h" S: f' C0 H
        m_bRelease = FALSE;
0 i5 U% m; u8 `- f* B8 e    }
3 f& ^1 |2 _& X$ f    ~CImageDataObject()
0 Z. E7 c3 l& M- D' W    {4 A0 G. K5 ^% i' p$ N
        if (m_bRelease): F7 U1 B- [% @5 x& S
            ::ReleaseStgMedium(&m_stgmed);* l# A  L* T) [! `2 d2 J
    }
) S; |! `- t- H    // Methods of the IUnknown interface
, a' x: O* e! {7 h: C1 P    //
8 a  g9 i1 u3 O- s% A    STDMETHOD(QueryInterface)(REFIID iid, void ** ppvObject)
& e; q" b- r( H# _    {
: ?, F8 E; {& G8 w7 @4 Z( n        if (iid == IID_IUnknown || iid == IID_IDataObject)
  b0 a6 {3 P% Q" Z# y% z2 ]- r        {
( l4 |/ n& ]( G% c( T3 ^0 U            *ppvObject = this;
: s1 @# w$ `9 w  q            AddRef();
5 A% G" Z: @7 U* |4 `            return S_OK;3 {) P/ U6 Y& J+ @# i& V
        }5 Q1 y4 e/ @; g8 N. f" w
        else  P( z( w3 F  J6 ^1 N
            return E_NOINTERFACE;1 g3 r+ I/ t& l) t+ U
    }
# Y/ l* W* O- \4 ^! b8 T4 s, _& i    STDMETHOD_(ULONG, AddRef)(void)" w4 c' v& D1 M
    {/ X: K, g& y2 D3 D5 P: a: `6 @
        m_ulRefCnt++;
) Y* S& L0 H# ]0 B        return m_ulRefCnt;
- M3 t7 k: g- N    }  ]1 K/ f, J- y3 t
    STDMETHOD_(ULONG, Release)(void)1 }7 |* k: @: D3 }7 @
    {# P, Y/ `) h% d3 Y& y* i+ v6 L/ a4 j
        if (--m_ulRefCnt == 0)- N; Y, A2 c5 E+ G4 y
        {* ~; K- _# S' h
            delete this;. I# y9 U) }" Z+ [! w) G
        }' b4 S5 I, I* F8 ?3 ?
        return m_ulRefCnt;5 a, H, U9 E& W5 T
    }% ?# r- |% a* _' t: i
    // Methods of the IDataObject Interface
5 q; W  U# k+ g8 ~5 m7 ^    //* P: J7 J' k" [$ [% ~8 N8 a! t2 ?
    STDMETHOD(GetData)(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) {
3 t- X& M+ f6 K# n- O# E        HANDLE hDst;
- \/ e: Y7 U, \$ ], Z        hDst = ::OleDuplicateData(m_stgmed.hBitmap, CF_BITMAP, NULL);1 B3 k' W5 d1 l, S7 j  |
        if (hDst == NULL)
+ h1 X* H; c# P' e, H8 i  l/ E        {8 X/ X1 w# {& |- W: K0 o
            return E_HANDLE;
' v, i" ~* @4 R$ t( s        }! O# m2 e% j( N# T
        pmedium->tymed = TYMED_GDI;/ U! T  H3 b1 ^$ Z
        pmedium->hBitmap = (HBITMAP)hDst;3 @5 P% k! E9 D, V  G
        pmedium->pUnkForRelease = NULL;6 F7 d" I! l& F; o% ?7 ?, N
        return S_OK;1 v1 v& S& K; _# K
    }
6 `) M0 Z9 Z' _- w# m3 h$ w- G   
* a5 p& p; C; H# b( ~1 s    STDMETHOD(GetDataHere)(FORMATETC* pformatetc, STGMEDIUM*  pmedium ) 4 a! l7 O) y) @! M
    {
1 [+ \3 u( I4 X. N- d1 X: U        return E_NOTIMPL;
2 Q/ r8 R7 _4 B# U8 B0 [, _1 n8 z    }
# P) Z# h' T+ {0 D    , g6 ]+ @( c1 u2 ?% A
    STDMETHOD(QueryGetData)(FORMATETC*  pformatetc )
" n3 s2 ]2 b! b2 n) X    {
/ t8 s, E, a# @% o9 R  h        return E_NOTIMPL;
# f" D  L3 q6 U  ^! M$ A    }/ J+ r& t3 r- V! o$ a$ a
   
1 `/ t9 N* V6 M$ P+ d    STDMETHOD(GetCanonicalFormatEtc)(FORMATETC*  pformatectIn ,FORMATETC* pformatetcOut )     , h( w( I* b, P+ J9 B& o: _+ [
    {
8 |2 w0 V+ R+ r2 o- o0 G        return E_NOTIMPL;1 k% n, B% `4 `% G3 d0 `4 }: m
    }! c- L+ Q$ e0 x. f2 x
    # w" k. z9 t8 S
    STDMETHOD(SetData)(FORMATETC* pformatetc , STGMEDIUM*  pmedium , BOOL  fRelease ) , h" V: C% h, [
    {+ d1 N! _2 J" z; M! |- R
        m_fromat = *pformatetc;
) W7 W& h) F- [3 M( ?        m_stgmed = *pmedium;
5 a1 ?( _  i9 X4 o        return S_OK;
) R/ S6 M( ~, n5 B! k    }/ X0 \( h  U+ D' D8 h: F; y" @* ?
   
+ t' |6 C7 @$ b9 T' A    STDMETHOD(EnumFormatEtc)(DWORD  dwDirection , IEnumFORMATETC**  ppenumFormatEtc ) 4 |0 W3 [; k- k7 i: h
    {8 J3 p% u6 W7 H* ]5 ~
        return E_NOTIMPL;
6 f! Y8 P* }0 E- W: u! j    }
  `' p( m% ]; Z3 \9 T# T" n6 M5 A& v   
: Q# o0 [3 ~- t( h' n5 O) I    STDMETHOD(DAdvise)(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink," ?+ ~8 g3 b, b% W4 }  c; D8 f; |
        DWORD *pdwConnection)
2 `. \- o* l  g. Z# G$ Z5 m; m* H    {
/ M5 S" p4 s& X1 y8 M3 n, R. f        return E_NOTIMPL;
0 ^" g# \; C9 q: s+ ]  J    }% r$ O# v+ T; x! U
    * V9 ?2 t* p5 T6 c: x6 R
    STDMETHOD(DUnadvise)(DWORD dwConnection)
) s: ^7 K% M: e$ A. Q    {
5 x( l2 O3 V6 j" y3 x* Q7 \        return E_NOTIMPL;
+ m7 n" w2 B; _' L0 h    }! `$ F, B! T5 R8 r9 G* b) g8 Z' J
    1 \  G2 `/ c% |( K' G! u# }
    STDMETHOD(EnumDAdvise)(IEnumSTATDATA **ppenumAdvise) 3 v7 a2 ]3 ^; r' X) q  h
    {2 X5 g" G6 o5 C
        return E_NOTIMPL;
  ^7 @) x1 {# {! ^; X$ N    }
. t6 [# ~7 T" N- A    // Some Other helper functions) @& i& u& X( |0 a7 T
    //
4 {2 L5 q' y; C  b    void SetBitmap(HBITMAP hBitmap);
0 H, D0 u/ r8 |: j: t- K    IOleObject *GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage);  O# m$ |0 `8 H4 q
};
- _+ a5 q4 S6 c2 ~8 Y" |6 f  D3 u#endif // IMAGE_DATA_OBJECT__H
) {: J. g, |4 B. y===========================7 d3 J; Q% q  B# [1 N: B
ImageDataObject.cpp9 X2 n) |  F3 K4 F2 c0 ^7 s
#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3 e/ j+ Z; H" d7 w' j! y9 i& |
#include "ImageDataObject.h"- M+ V! t3 W( F
#import "ImageOle.dll" raw_interfaces_only, raw_native_types, no_namespace, named_guids, auto_search
3 V# a9 q( g7 M* _static CLSID const gif_clsid = { 0x6ADA938, 0xFB0, 0x4BC0, { 0xB1, 0x9B, 0xA, 0x38, 0xAB, 0x17, 0xF1, 0x82 } };

5 c# G0 J. U5 e" l5 }void CImageDataObject::InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser); Y( f, U2 K! F* u4 S
{
/ m( \: m/ j/ `8 K5 x    SCODE sc;
: D% U! Q0 x! k) e- D    // Get the image data object, e; o1 U* S$ c
    //
1 U0 x0 k6 m6 I1 f. Z5 I    CImageDataObject *pods = new CImageDataObject;
8 h% x1 Q; Y; r    LPDATAOBJECT lpDataObject;
3 b0 v# |1 _0 F3 _6 j1 {    pods->QueryInterface(IID_IDataObject, (void **)&lpDataObject);
( w! L- E$ C% \, ~& f+ h    pods->SetBitmap(hBitmap);: f0 e* I' p! p% S7 ~) y5 C8 i! H
    // Get the RichEdit container site
5 i! u; ]7 Y2 S    //" ]5 T, y; W1 P! m2 X$ ]0 J6 ?% P
    IOleClientSite *pOleClientSite;   
0 \4 a9 W& A6 ~4 x" a7 t   
; H/ \7 {0 @0 O% W    pRichEditOle->GetClientSite(&pOleClientSite);2 _2 J- @) P7 P* s4 S* p, s0 o% h
    // Initialize a Storage Object# o  F( b7 u" f2 T' _- q' W
    //: v4 A' G2 @3 r
    IStorage *pStorage;   
) z( h) \: X( n* |( f5 r" n" ~( |9 R    LPLOCKBYTES lpLockBytes = NULL;0 b( ~' F! D! p& Z
    sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);& A8 H6 d1 S( c/ p( \
   
! t: v0 w  H( d& W* z* g    sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,
! W( y5 T  V9 o1 F" X1 U# A8 n+ F3 d6 X        STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &pStorage);
2 O) [$ b% Y2 b8 h% x& S0 p% J& H; X7 y4 G
    // The final ole object which will be inserted in the richedit control0 B* L& x+ J) c6 V- ~5 M: k
    //1 W2 B) A' J- R- I
    IOleObject *pOleObject; * ^' u" t" p' G& \
    pOleObject = pods->GetOleObject(pOleClientSite, pStorage);7 O/ q. a4 b+ `! z% ?& Q+ q) [; p
    // all items are "contained" -- this makes our reference to this object
3 x% ^) m  q/ w    //  weak -- which is needed for links to embedding silent update.5 G/ ^+ S- B) k+ w
    OleSetContainedObject(pOleObject, TRUE);) B6 j3 `* C9 G4 P7 @
    // Now Add the object to the RichEdit 6 K, a1 k% Y: o' I
    //2 X" z  ?, O- \9 [
    REOBJECT reobject;/ J; N+ x: N7 D2 \
    ZeroMemory(&reobject, sizeof(REOBJECT));
# q1 ^0 K" I. H( ]0 B    reobject.cbStruct = sizeof(REOBJECT);" P# ?  {' D5 W. ^; T
    ! P5 d/ v1 j9 ~
    CLSID clsid;% Z( E1 I% x/ g+ _) c0 i$ b
    sc = pOleObject->GetUserClassID(&clsid);
& ~0 f7 K$ y  y4 t) V, }( ^0 U# Z* |$ z/ A$ M
    reobject.clsid = clsid;
, i2 @1 Z2 k6 }% q# L, ?3 h    reobject.cp = REO_CP_SELECTION;
9 E" t( S+ K5 _) H* G7 d& ~9 O    reobject.dvaspect = DVASPECT_CONTENT;
/ {0 L' a4 |' v    reobject.poleobj = pOleObject;
' M3 o/ b. k) L+ V    reobject.polesite = pOleClientSite;
# G2 n, q9 b: W% F7 L5 G) H% q    reobject.pstg = pStorage;
& F3 A  b: w0 i. X5 z) `4 k1 ~8 j) Jreobject.dwUser = dwUser;
' c6 M$ {1 l5 z# j    // Insert the bitmap at the current location in the richedit control( b6 Q& X  ?: i1 t
    //
/ H. R, {+ a, v    pRichEditOle->InsertObject(&reobject);5 R  {/ X/ r# T* s
    // Release all unnecessary interfaces; q* k+ o; u- L
    //
1 a7 d& r1 b  m+ w8 s5 h    pOleObject->Release();; ^5 I6 R4 w1 M3 x4 S
    pOleClientSite->Release();! v. @: j" g# ~9 t9 d
    pStorage->Release();$ |8 p& o2 E2 H6 P+ h$ [, e) v: U
    lpDataObject->Release();% `& e% K; T, K
}
$ @* \2 N+ G) l$ p8 [void CImageDataObject::InsertGif(IRichEditOle *lpRichEditOle,const char *gif_file,DWORD dwUser)
" [; O9 r5 G0 Y$ |* ^, L{! A4 V  s: [$ w0 [% z, x. \# F
LPOLEOBJECT  lpObject=NULL;
: y- _5 N9 \6 E3 @8 c9 q8 z+ {5 T: DLPSTORAGE       lpStorage=NULL;
0 x5 |# ]& a; a7 g6 P; kLPOLECLIENTSITE lpClientSite=NULL;
! A9 \/ v' m: M4 h) R$ @/ m% R/ X) GLPLOCKBYTES  lpLockBytes = NULL;

" |3 U& C/ ?2 FHRESULT hr=S_OK;5 j8 q: H) [$ ~4 J& a
CLSID clsid=CLSID_NULL;
8 t; V* U& c7 @; |2 Hdo{
, l- ]7 o- x! u  hr= ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
* _0 W3 }2 C+ d7 z7 U- l; s  if (hr != S_OK || lpLockBytes==NULL)
% t+ B' }6 V. y: J" a0 D   break;
4 p) _& ~, V* @) o+ W! x9 W6 f" ?
  hr= ::StgCreateDocfileOnILockBytes(lpLockBytes, STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &lpStorage);$ p0 M; {$ E, H
  if (hr!= S_OK||lpStorage==NULL)
3 X3 I7 h2 {& ^, X   break;

0 J5 v  q6 v) p* ]8 k. K9 a  hr=lpRichEditOle->GetClientSite(&lpClientSite);$ b- s2 f2 r8 N3 Y3 d- q5 x
  if (hr!= S_OK||lpClientSite==NULL) 3 I; Y4 E/ S9 k" |
   break;
* g- j/ S0 E$ \- ^4 b3 J" ]! I
  try
+ R& _: |  s, T3 d# E/ C2 R  C" |  {
& B# ^  s' s. b% V+ @8 |   HRESULT hr;) h9 ], L% x% l
   IGifAnimator *pGif  = NULL;
4 J- N" b; y4 t- Q4 V) x   hr = CoCreateInstance(gif_clsid,NULL,CLSCTX_INPROC_SERVER , IID_IGifAnimator,(void **)&pGif);5 \& a& i- A3 {: t/ G( _
   if(FAILED(hr) || pGif == NULL)( g9 ]: Q' i# M
    break ;
" v) _* y4 g0 N3 T1 ~4 l
   _bstr_t bstrPath(gif_file);- ?1 f8 n5 \1 Q1 k
   pGif->LoadFromFile(bstrPath);
5 H4 w0 g. L% I) t+ ^* H* w' P   if(FAILED(hr))
% v- H+ i0 l" s7 [9 S# n, ~+ V0 ~   {/ v7 o; H/ x- y+ D
    pGif->Release();
1 E+ s3 ^; q# z" H! g! z) M    break ;2 B  C& Z3 q& x5 q- s
   }

7 x# _/ |& w: N1 o3 {2 h   hr = pGif->QueryInterface(IID_IOleObject, (void**)&lpObject);
; f; [0 R+ E  m: k   if( FAILED(hr)||lpObject==NULL) 2 U; Y8 p7 v$ R! l
   {
3 m, Y, w; I6 C1 z1 Q0 c    pGif->Release();
: \! u# Q) x0 i' v' y( {5 B    break ;
9 E: l4 @4 n; ?1 k7 G( S7 B- n; z   }
( t1 r1 T& t& {, C* S   
$ ?7 ?; g$ Z7 b6 ^& `$ g   hr=OleSetContainedObject(lpObject, TRUE);8 {, n" `: Y7 `; \0 J& w5 v# A* H
   if( FAILED(hr) )
$ w7 e3 W: J: P" W   {
8 w+ i4 q3 s8 }$ d# L: M) k3 C    pGif->Release();
( ?0 f! _+ s- J9 D    break ;
) |# a, `4 b( \/ a0 S2 H) Q1 L; a   }! v+ W4 ^+ ]1 M% z
   hr=lpObject->GetUserClassID(&clsid);
( F$ a% G2 i/ a# Y! {   if( FAILED(hr) )
' d1 f8 N  h- |( S* I   {
3 y* ~/ S# k. }! W    pGif->Release();* ~+ c8 z/ S( C( ]: _+ }
    break ;0 ^2 o1 b8 d/ W0 c: N
   }
5 @# }( i! N5 M; K% p8 W5 }6 o& d
   REOBJECT reobject;
, B$ w+ f/ `4 g+ F& {/ `- x   ZeroMemory(&reobject, sizeof(REOBJECT));
# t% f, B5 G1 i; ?0 ~   reobject.cbStruct = sizeof(REOBJECT);
1 ]) V$ M6 _, m( l% w2 R% W   reobject.clsid = clsid;
+ e2 P. H. l. `5 n' p" Y   reobject.cp = REO_CP_SELECTION;
# m* W" S0 L& u- |9 |   reobject.dvaspect = DVASPECT_CONTENT;
. x8 S# E) A. F. B   reobject.dwFlags = REO_BELOWBASELINE;
9 }+ ?/ H! \$ s8 o7 ?& ?   reobject.dwUser = dwUser;
6 w5 B* {2 H* K6 Q$ S9 G5 u   reobject.poleobj = lpObject;
: _, c3 D$ i2 F% u6 @' l* }5 K3 c   reobject.polesite = lpClientSite;" I7 P# S  G7 v" ~8 r
   reobject.pstg = lpStorage;5 _+ S- k6 E1 T" I4 l
   SIZEL sizel={0,0};
8 Y  c: y" {, f+ m   reobject.sizel = sizel;9 o! z& V5 l% N, U0 V& |. t+ D
   hr=lpRichEditOle->InsertObject(&reobject);
' h4 V( c3 t& i% g  v8 N  }& M8 X7 \- \; ?. H' h3 T) J: L
  catch( _com_error &e )3 C4 c: P& W$ h9 N
  {8 ]2 B* e. j% u
  }

0 X( M4 X" K9 \7 N3 Z* P}while(FALSE);
6 w0 C' v3 T# Q6 e  N: w( [if(lpLockBytes) lpObject->Release(); ; j  \  ]1 V4 _% ^
if(lpLockBytes) lpLockBytes->Release();
9 o, S2 L% v( w. M! f* nif(lpClientSite) lpClientSite->Release();
8 G6 K* I0 Z2 p; [( T5 iif(lpRichEditOle) lpRichEditOle->Release();% x4 C7 C+ w  L8 J! [. Z. ]8 i
}
1 X+ d4 i8 f1 \' F

; F6 e" G  B# a* c//////////////////////////////////////////////////////////////////////
# R& b8 G8 S7 |0 S  f4 u// Construction/Destruction: q  ~' Q' {# X. [( `
//////////////////////////////////////////////////////////////////////4 [7 y5 ~6 t4 B7 J5 c5 c
void CImageDataObject::SetBitmap(HBITMAP hBitmap)
. h; L: B/ O8 X$ k" ]; b{
3 O, h) L& c. \  ~6 o# ]" n! T. U  r$ {$ `/ k: b
    STGMEDIUM stgm;
: a  H* b" M* e" V6 s5 D- B    stgm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle        
6 \0 d$ A5 i/ a& H" R    stgm.hBitmap = hBitmap;
6 Z9 u9 K  G( e$ Z* k- L* W% H    stgm.pUnkForRelease = NULL;                // Use ReleaseStgMedium6 O9 P; A/ r, `: w' f
    FORMATETC fm;9 A. p. H/ Y9 Z9 }' i
    fm.cfFormat = CF_BITMAP;                // Clipboard format = CF_BITMAP
' c. Q8 |& Y5 K+ G9 J    fm.ptd = NULL;                            // Target Device = Screen0 H$ K5 l! X# W$ D
    fm.dwAspect = DVASPECT_CONTENT;            // Level of detail = Full content
# l3 _! Y# @2 u. W+ S+ R5 B    fm.lindex = -1;                            // Index = Not applicaple7 R2 a  g2 [9 O. u8 ?
    fm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle2 D9 u. l" x$ J5 E6 Z
    this->SetData(&fm, &stgm, TRUE);        
& a7 Z! o) O' i, V' H}2 U9 a5 H. p/ m" s
IOleObject *CImageDataObject::GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage)
$ T/ E  `+ Q# P* I{3 I* e; z- R& j$ h7 Q6 ^1 R! j

  R- o4 ~" I% z* Q4 Z) |# S% b9 Q    SCODE sc;
! W; p3 F3 _) _% v    IOleObject *pOleObject;
) }1 ^) K0 E0 j3 K6 _, W3 f    sc = ::OleCreateStaticFromData(this, IID_IOleObject, OLERENDER_FORMAT,
  }) i. _) X: ]. ]. H9 w            &m_fromat, pOleClientSite, pStorage, (void **)&pOleObject);
2 p0 T& x6 S+ R' c2 E9 }    return pOleObject;, f- W4 W* j4 ]6 d" M" _; g
}
1 h; M/ A7 ?3 e  d6 {' q////////////// G$ R' B* w2 q+ ~
  OK,下面是想RichEdit中插入bitmap的范例
( X* T. }7 |. j$ [* F  CImageDataObject::InsertBitmap(m_sendRichEdit.GetOleInterface(),bmp.m_hBitmap,dwBitmapInfo); 7 ]. E! V: X- r. d: b
  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)。1 z9 a! U) P" s5 R
  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。
( \! z8 t& [. l  2. 从EditRich中提取位图信息& y4 [% K& _+ W' j- g5 w: v" U
     下面是范例代码,其中原来就不多说了,看代码吧。
- ]( o, |2 H8 f# k$ E  _1 J& G) ~    //获取RichEdit中有几个bitmap,这里假设RichEdit中有位图文件9 b7 G9 V& f" r. j' Y5 V( w
    int c = m_sendRichEdit.GetOleInterface()->GetObjectCount();     % ^! W" v4 @9 e2 m
   for(int i = 0 ; i < c ; i++) //遍历位图' h% P  K4 o+ C, m7 W( v( G% s/ n
   {, O9 e- {3 {0 F6 Q2 Y# L8 i0 {" N6 d
       REOBJECT object;  //位图信息存在这里$ Q& }" p: \5 A/ @( I. {
     memset(&object,0,sizeof(REOBJECT));
) o4 c! k* t' N* q! S0 Y     object.cbStruct = sizeof(REOBJECT);
4 R6 k: v( S; m6 c     m_sendRichEdit.GetOleInterface()->GetObject(i,&object,REO_GETOBJ_ALL_INTERFACES);
5 u1 H& O7 |7 |# R( Y0 ^7 a+ B     int pos = object.cp ; //位图的位置信息
) M, y5 P+ r# ?/ D& M  I/ h/ _# w     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: n3 y+ b' u2 r9 M9 z
  }
, t5 }7 T; h$ T" @/////////////////////////////////////////////////////
# t3 i: O7 I# T& V4 V; iOVER
  I1 B. q2 O1 z6 J2 y; U////////////////////////////////////////////////////
) e* }( p* {. U# O5 i' F9 p, e* g5 Q1 `3 F% @

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