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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。
5 F$ U2 l# T2 g1 ~# P  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。( Z; o* N: O6 E
  1.在RichEdit中插入Bitmap/GIF的方法
( Y; L3 J1 s2 I7 ]8 m3 ]  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)。7 k! y' i( `  m: q8 t' I: y# m; Z) l
ImageDataObect.h8 I0 N' C! @/ Z  F$ K  k$ k1 I
====================================================
4 I- O9 i' v  R3 B& t#ifndef IMAGE_DATA_OBJECT__H
) _6 t9 q0 F2 }& U#define IMAGE_DATA_OBJECT__H4 u1 u: h9 [- _) n  Z
#include <Richedit.h>. `5 B& D, K: I. `1 v) X1 X
#include <objidl.h.>" t# w( a. N3 P  m, l; i
#include <Richole.h>
$ Y" w- t+ J1 Iclass CImageDataObject : IDataObject
  k& K2 t9 o  P! w{, b+ a8 ]1 h' `3 N
public:
; A7 M# C9 {, d% A1 k    // This static fumction accepts those parameters:: _) ]" u$ c  e( c- T( S* _
    // IRichEditOle* : a pointer to IRochEditOle interface for the RichEdit Control
/ h; F/ O9 h3 T/ D: [    // HBITMAP : the bitmap handle.
' N' E. u, C) m+ Z+ ^    //DWORD dwUser - 位图相关的信
- G: `) ^& ?5 O    // After calling the function, it inserts the image in the current
% [3 A: j& Q% `' k- k+ s    //    position of the RichEdit
) }7 D/ j: @4 L( x+ s    //: W+ q0 M0 E  X/ j( k/ i
    static void InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser);- o4 N9 x( X2 z" m
    static void InsertGif(IRichEditOle *pRichEditOle,const char *gif_file,DWORD dwUser);
; {# Z6 |+ g; q+ w! x) |
private:
; r  w5 s! H$ j9 C1 n# A; V    ULONG    m_ulRefCnt;
, I7 Y9 U; Y) x$ ~9 |0 r    BOOL    m_bRelease;
' ^+ ^7 g; E: p    // The data being bassed to the richedit
+ o  O. u* @" {9 c  S    //) ^: K- q# u) X! k5 b% e" \
    STGMEDIUM m_stgmed;0 L( i: D! @2 b( `
    FORMATETC m_fromat;
# o9 I3 o  B- U) x+ Wpublic:
. n1 W# [" M$ i8 B) e6 ^    CImageDataObject() : m_ulRefCnt(0)1 z9 m; a! M# O6 [& `9 h' |
    {/ w5 `) S- ^/ K2 k* L  r
        m_bRelease = FALSE;' `) s( J& w6 m7 v) u
    }+ p: n" E9 |, p' C+ x
    ~CImageDataObject()5 t1 n; S$ b; U- m
    {
: d; \' l$ d0 ?        if (m_bRelease)
' q, D! U, M) ^0 n( c* v            ::ReleaseStgMedium(&m_stgmed);5 D- M$ ]* o7 k  G
    }  e0 l; T7 [9 h2 [
    // Methods of the IUnknown interface
0 o+ g3 k4 \( ?/ F    //
6 \9 u8 c- i: z9 R6 ~    STDMETHOD(QueryInterface)(REFIID iid, void ** ppvObject)
- A& W$ x; [4 K, ?    {
" A9 H5 Y5 y) c9 B) {/ T2 b        if (iid == IID_IUnknown || iid == IID_IDataObject)$ b2 r" t" X, g! a3 X( J9 c+ S# |
        {' P1 l. }( u& T: \
            *ppvObject = this;: R6 E* }' S4 V& t6 N0 ^* s
            AddRef();
6 W+ L" l/ ~/ F8 Z/ v& F0 o            return S_OK;$ P9 u1 ~5 q/ I8 g
        }. r" q' q3 o: k& i! M
        else  A+ j* {5 B) m) }" R
            return E_NOINTERFACE;4 Q/ Q" ?  @' t/ k
    }
5 v' P2 W- b& T5 Q/ _4 a    STDMETHOD_(ULONG, AddRef)(void)
4 C4 [/ M$ ~/ J/ W9 `+ H. v: j    {7 {4 @9 l% R5 [5 X) o6 R# G
        m_ulRefCnt++;6 F1 V3 I* K$ o8 c
        return m_ulRefCnt;
/ }! n# u8 E5 P0 ?5 \9 F; u    }1 n! ]  p: z) W7 P0 v
    STDMETHOD_(ULONG, Release)(void)1 c" k: G8 y7 d
    {5 V0 I: y8 F: Z9 Q# @
        if (--m_ulRefCnt == 0)' z& P9 Z( `7 N5 {
        {
1 F2 y: E1 a; S8 Z/ Z            delete this;1 [! @, h( Y, D" r9 h6 @4 U6 A
        }
  Z/ ]* V' ^1 S# g1 ]        return m_ulRefCnt;& s1 ^7 [( U- d; K# ?' w% ~" N
    }
( a) l  l# M' i1 \0 v' i    // Methods of the IDataObject Interface! Q" W* d! F' y5 n7 Z
    //; o* L2 X# U2 V9 b( |. K: ~- b: H
    STDMETHOD(GetData)(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) {
8 l$ h/ ~) t! ~# D; r; F$ g        HANDLE hDst;3 ~4 M; R5 S& b
        hDst = ::OleDuplicateData(m_stgmed.hBitmap, CF_BITMAP, NULL);# |7 W# ?. |; I# M; k2 J1 o
        if (hDst == NULL), h9 d- [+ ?" e( F* p/ z/ c/ }1 N
        {' l5 s% I$ ^: u" d: o# s4 R3 y
            return E_HANDLE;2 c( m6 g- Z/ Y; C' f. h
        }& X$ [# I) d, j' J  q% v
        pmedium->tymed = TYMED_GDI;% M4 Y  P' z2 \+ B, p. [
        pmedium->hBitmap = (HBITMAP)hDst;8 r4 F2 P# \# F$ Y& [) C
        pmedium->pUnkForRelease = NULL;$ V4 V+ M: j3 s9 m3 L2 e
        return S_OK;0 D; ?" k4 ^* m6 O% [9 Q$ Z  @
    }
- e& H0 F9 l' m' P   
3 E6 }8 B8 H, ^+ ^, F: @1 Z    STDMETHOD(GetDataHere)(FORMATETC* pformatetc, STGMEDIUM*  pmedium ) 0 D7 g( v: u; Y! V' B9 ]
    {$ A, S1 s" Y2 _2 A2 }
        return E_NOTIMPL;/ l4 W) T6 z1 r
    }
9 P' C. _  ?* g- D! [1 v- ]    * r  W& o5 M5 [& Y# z
    STDMETHOD(QueryGetData)(FORMATETC*  pformatetc ) ! j+ ^- _/ B: F; K
    {3 h0 Z, A2 B3 _4 n" l
        return E_NOTIMPL;6 X1 i7 p% K8 \' y
    }
, x( y' A& I; f. ^- C, H' T    1 ?5 L: _, t; ^1 ~0 m
    STDMETHOD(GetCanonicalFormatEtc)(FORMATETC*  pformatectIn ,FORMATETC* pformatetcOut )     1 w  ~& u6 H. o3 R1 ]! J
    {
$ g& s# U' ^, ~  p# U        return E_NOTIMPL;' p& ]% L( G, f7 s  x: O! h
    }
8 o; G- X! G8 e# {: _& X    2 {+ o! O0 T* L* N; l* `( [
    STDMETHOD(SetData)(FORMATETC* pformatetc , STGMEDIUM*  pmedium , BOOL  fRelease ) # x2 ], O8 I8 J$ A: u
    {2 z, h" R3 N/ T  M1 D3 d5 r7 d9 K; f7 ^
        m_fromat = *pformatetc;$ h8 a& ]  I. W3 y
        m_stgmed = *pmedium;
4 p) |# ~7 Y) O        return S_OK;
* A# W+ x9 h5 @' |; ~" n    }
7 w( a' l! O2 m' N   
% B1 T: M) I% A5 T1 P1 i( g    STDMETHOD(EnumFormatEtc)(DWORD  dwDirection , IEnumFORMATETC**  ppenumFormatEtc )   c0 H) a: e% o2 y& @- o+ u. H, P
    {/ X3 {; O: f" X: o0 y2 W3 H- c" [
        return E_NOTIMPL;& |0 t1 T7 K% x2 K/ B* s
    }# Z! e+ W7 R) l; Y( A& j
   
. Y. a# L. |7 c: d" K% r9 V    STDMETHOD(DAdvise)(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink,. }/ D8 k# B" N
        DWORD *pdwConnection)
4 k* t7 t$ z* ^  Z4 B* Q    {& q0 I( H  d1 \$ @/ W# i) ^
        return E_NOTIMPL;
9 Y# {2 v& C8 D9 z0 s; ^  U    }6 c( v: K, f* a% |' F$ c. ^( D) k
   
! r  e' h9 Y  a, O- b    STDMETHOD(DUnadvise)(DWORD dwConnection)
4 s  w1 d( B. U* e$ L: v    {
" U0 }* c9 c* s  r& l7 `        return E_NOTIMPL;
6 c) j3 b! a3 M$ D. w% c. n    }' R3 v& A3 E8 |
   
3 ~0 M7 m7 E& g: v- k    STDMETHOD(EnumDAdvise)(IEnumSTATDATA **ppenumAdvise) 4 z9 `' A6 A( ?8 Y( ~6 @
    {2 r9 \! D6 A* _1 s, m4 e. s3 \* d
        return E_NOTIMPL;
9 W; r/ \6 M  Y/ Q    }
3 L$ _) y' g+ @4 W& ?    // Some Other helper functions
' X2 [1 Q7 X$ R0 m6 D0 S! O) i    //
# p8 f# N/ J1 g+ T  u5 [, e8 J' B    void SetBitmap(HBITMAP hBitmap);
( I! f+ W: w5 j    IOleObject *GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage);6 Y! N  G7 R. r0 U. I
};$ ?' o. ^" N$ i% Z1 D; p! Q1 H
#endif // IMAGE_DATA_OBJECT__H/ Q4 D7 I$ g  H
===========================/ x5 a/ t& Q/ S3 }' K- A4 x# x
ImageDataObject.cpp
' b& @, F. C5 x: b5 |#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
# v% T$ P, ~4 {! M* _% F
#include "ImageDataObject.h"5 w- `/ k1 X& i# R9 D+ b0 x% b
#import "ImageOle.dll" raw_interfaces_only, raw_native_types, no_namespace, named_guids, auto_search( X, t0 n3 i2 B/ U
static CLSID const gif_clsid = { 0x6ADA938, 0xFB0, 0x4BC0, { 0xB1, 0x9B, 0xA, 0x38, 0xAB, 0x17, 0xF1, 0x82 } };
. I$ t+ ]/ K3 A6 \  d
void CImageDataObject::InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser)
) Z( b( S9 ~, V- h* t8 @{' q5 X: P& s  H2 J$ `4 g1 u' O
    SCODE sc;
3 b& X: e8 {) F6 I2 a- m    // Get the image data object3 V/ U& T0 g- b3 k
    //
) G4 j9 q  X- C* L- X5 R    CImageDataObject *pods = new CImageDataObject;/ j: _4 R; \+ u9 O% D
    LPDATAOBJECT lpDataObject;& {% V6 b* c! J- I  F3 ~3 L
    pods->QueryInterface(IID_IDataObject, (void **)&lpDataObject);7 p5 r% c" n" d$ x
    pods->SetBitmap(hBitmap);  U& M+ i: f/ ^6 O
    // Get the RichEdit container site
0 }" X+ a4 N' V    //% J2 _8 \, S3 A/ ~  {- z
    IOleClientSite *pOleClientSite;    - K2 Q- n* D9 @" M1 O
    7 w% B$ v6 d1 T$ C9 d* `$ l& f" F
    pRichEditOle->GetClientSite(&pOleClientSite);
7 z1 a, X7 @/ C# J8 E    // Initialize a Storage Object6 Y3 o# e4 U+ ?9 r" e! U$ ^
    //: X2 R" O2 s% ]/ V& ^
    IStorage *pStorage;    6 u4 P2 v& e1 L$ O/ u: `/ {
    LPLOCKBYTES lpLockBytes = NULL;, v+ `) s4 V& f
    sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);0 ~1 I2 V8 y; X# g
    ! [; E. s# V  o3 C6 E
    sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,
8 j5 R' s. a- Z( Y* r, V        STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &pStorage);  {: m9 j! U7 j  A  O( M0 g
4 F6 a- V5 O: t" f
    // The final ole object which will be inserted in the richedit control% j, S& X8 ~7 F# |  o
    //
( o" T/ U. [) s0 J* V, p, E% g    IOleObject *pOleObject; , n% j" i/ y2 L3 M+ }
    pOleObject = pods->GetOleObject(pOleClientSite, pStorage);( [  `% n& x8 l9 l1 N# x
    // all items are "contained" -- this makes our reference to this object
' h0 h7 Q# S, G+ w+ s    //  weak -- which is needed for links to embedding silent update.8 o# u9 X* h$ }+ X  y: a8 t# `( `
    OleSetContainedObject(pOleObject, TRUE);+ i( y' s8 V/ d) w# }! _7 b( F& B, }
    // Now Add the object to the RichEdit ; j, b( m( k  ^  A; Z3 R3 T2 D
    //3 M' c0 Q. D7 X) D' Z# b5 j
    REOBJECT reobject;
% e: u( s: g5 y3 j( S/ A6 V    ZeroMemory(&reobject, sizeof(REOBJECT));- M5 Q0 ]0 f6 c, G4 B$ |* Z# n2 y" p
    reobject.cbStruct = sizeof(REOBJECT);9 T3 G4 y) o$ m  k
    % I7 u; v+ q0 n: Z( r
    CLSID clsid;
. x4 _- s% r5 C( @! t' ?- h- U9 K$ W    sc = pOleObject->GetUserClassID(&clsid);# q  o4 o8 n% a$ H+ j6 U: @! I

+ Y! g* |- p4 l$ K$ G7 T    reobject.clsid = clsid;0 I$ V! f- n, \8 `# A$ I
    reobject.cp = REO_CP_SELECTION;
$ x* V1 p6 ~; M( x5 `8 b    reobject.dvaspect = DVASPECT_CONTENT;! S5 y$ Y9 g% I5 S5 D( J$ S- T, }
    reobject.poleobj = pOleObject;
. Y6 V! R; L( o2 O+ j    reobject.polesite = pOleClientSite;
. ?, ], h5 v" `; r' H, h    reobject.pstg = pStorage;5 N( Z% i, ~$ F: k& ]* p# d4 H
reobject.dwUser = dwUser;
$ X" \$ n( c* S; c6 y4 `9 P    // Insert the bitmap at the current location in the richedit control
5 b# e. s  U( r5 L% s    //
5 r6 K5 U8 b1 L% @2 ~" B! ]- I    pRichEditOle->InsertObject(&reobject);. I! W& }5 I9 ~- _8 ^6 q! {2 G# @. w
    // Release all unnecessary interfaces7 p( d- c: T3 p+ ^
    //
+ V) m$ O( M5 W. }, k& X: s    pOleObject->Release();
4 _4 l! z9 K/ n5 y: L2 L4 o2 K" Y    pOleClientSite->Release();2 x  L+ o# {) ~- S# g4 Y
    pStorage->Release();4 T% |8 E0 U2 V6 T( m
    lpDataObject->Release();
1 ]+ B; w2 t' n# o/ l# _}
  o6 L* U/ j* f- G2 u+ \void CImageDataObject::InsertGif(IRichEditOle *lpRichEditOle,const char *gif_file,DWORD dwUser)$ i# h9 A2 F6 Q1 p
{% K; R+ p( \5 r( n
LPOLEOBJECT  lpObject=NULL;
9 o9 c; y+ N) F2 P& W7 K+ ?$ lLPSTORAGE       lpStorage=NULL;2 V# J) x, H9 N9 b0 A
LPOLECLIENTSITE lpClientSite=NULL;
* O4 w* h. ?7 @- Q. m8 QLPLOCKBYTES  lpLockBytes = NULL;

% n# z5 D3 L/ o6 ?( |  j# FHRESULT hr=S_OK;
  w4 ?! D6 r; A5 j/ I! F& K+ ~: w7 g2 ECLSID clsid=CLSID_NULL;
: y' U3 x/ o0 ?do{
0 ^# o$ b% `9 j. \* Y  hr= ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
3 z" O1 A0 B  P/ L2 r  w7 ~  if (hr != S_OK || lpLockBytes==NULL) % T/ s4 `" W* E4 P' e: C! C7 Q* @  Y
   break;

0 t  M# e' M# q6 l2 A  hr= ::StgCreateDocfileOnILockBytes(lpLockBytes, STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &lpStorage);( a2 ~  }1 X: ]; m+ C. w/ ?
  if (hr!= S_OK||lpStorage==NULL) ! M8 q6 [  D$ {& e
   break;

1 E  w9 Z/ {4 G7 B3 B/ m4 b  hr=lpRichEditOle->GetClientSite(&lpClientSite);
# ?# h3 T  C2 ?% X1 J4 F! [  if (hr!= S_OK||lpClientSite==NULL) ) Q9 u1 ~) t1 _7 ]# c" `
   break;

) r0 h) B/ m" M" u0 U$ O( x  try
% g, j4 J6 J+ x: X1 J6 G  {
6 g6 f! X9 J1 T) |   HRESULT hr;
# |: d0 n8 ?7 F* \   IGifAnimator *pGif  = NULL;) |6 a  o1 q  Y) P9 g( O
   hr = CoCreateInstance(gif_clsid,NULL,CLSCTX_INPROC_SERVER , IID_IGifAnimator,(void **)&pGif);
* F. U' b- H" w( |# _: u   if(FAILED(hr) || pGif == NULL)
9 D' d) S& \: F- e6 X# j/ Y1 P    break ;

; i8 a7 ]- @/ L# D3 W; y3 z   _bstr_t bstrPath(gif_file);- l% g/ J* F9 D; V' i. K
   pGif->LoadFromFile(bstrPath);  [) p4 }% W% l4 w- z5 v/ p
   if(FAILED(hr))
) i# I1 o; q. e. [9 O0 w$ q   {
. h. i8 W! b) ~5 y7 a    pGif->Release();
( S6 l1 B3 n/ J/ H    break ;
. X6 F/ d' M( ~4 l   }

, k" N. x/ Z/ H! |2 E- S# F9 U   hr = pGif->QueryInterface(IID_IOleObject, (void**)&lpObject);- D7 Y! a: @: y3 G. Q) T: l
   if( FAILED(hr)||lpObject==NULL) 6 _) X; m- ~/ i, F( ]# x
   {0 A  t+ {$ z' J  s2 ]# G0 {
    pGif->Release();
# ]( Q, P' k6 @. G5 A8 ?    break ;5 B/ v+ u9 C9 k8 g+ Y
   }$ m3 {" S  @5 I  }) \9 _
   # Y+ x- i& M- X4 B" {  }
   hr=OleSetContainedObject(lpObject, TRUE);
( }$ v! I- @3 P5 ]: t% Z# c   if( FAILED(hr) )1 H/ K. @; w+ F0 l5 W
   {
& E$ o4 [8 W9 J! b! k" u- N    pGif->Release();8 l, @' a5 Y4 l+ o% G
    break ;
6 B1 a# [% q! j) m  m   }
7 N4 S. p* p& t   hr=lpObject->GetUserClassID(&clsid);$ A: Z9 w( r- E! j0 `1 N9 n
   if( FAILED(hr) )
( \+ A! d/ e1 I( t7 G   {  \/ E4 u; N! C) D8 I
    pGif->Release();
) z5 `8 {; `' D$ S1 l    break ;
% ^1 W# e" A* U   }

; f% O) K) S1 Y) }! G7 `   REOBJECT reobject;
% ?: u5 j2 x+ `+ k3 L   ZeroMemory(&reobject, sizeof(REOBJECT));
% B' b6 f& g& t3 |; G   reobject.cbStruct = sizeof(REOBJECT);
" n( e! `0 ^7 B" v0 t* K; Y3 F   reobject.clsid = clsid;+ B& y* L7 ~& L1 i; m
   reobject.cp = REO_CP_SELECTION;$ k( q5 Q; Z* |" |& a6 f$ u
   reobject.dvaspect = DVASPECT_CONTENT;. r/ R) q2 Q  u& _  m1 f. `. [$ t7 n$ V
   reobject.dwFlags = REO_BELOWBASELINE;
. X- {0 @1 h) Q   reobject.dwUser = dwUser;
6 ?! x0 W! W" q5 \* o$ h2 K3 E   reobject.poleobj = lpObject;4 v, }, X% Y9 Y' y7 H" `
   reobject.polesite = lpClientSite;
( H  ?) f, X6 ^! U/ C   reobject.pstg = lpStorage;
3 e) }. Z0 r5 N4 V   SIZEL sizel={0,0};# Y1 w$ c2 Z' R& t6 Q
   reobject.sizel = sizel;4 S" f7 h; a" B, _: R2 e
   hr=lpRichEditOle->InsertObject(&reobject);
6 w1 ~5 Z  m7 V3 J  }0 S5 [/ W  ]; o7 V% ?
  catch( _com_error &e )
* f. }9 }" j! y! n  {# ?4 `+ r4 \! f" h7 l9 ^4 \
  }
: h6 e# _/ B  o/ ?
}while(FALSE);
  t3 l) C6 z6 ~- R+ K' G4 Qif(lpLockBytes) lpObject->Release();
- f$ Y( E: |9 G, \; u+ V# v; Tif(lpLockBytes) lpLockBytes->Release();, b7 ^0 f* [( e- A7 C0 `
if(lpClientSite) lpClientSite->Release();
' R0 H) G2 f) c  t! Zif(lpRichEditOle) lpRichEditOle->Release();
& i! n: b* J6 z% H; `}. p+ w. t) o6 N/ r% b6 w; X
) W2 _& Q2 {! ]( @
//////////////////////////////////////////////////////////////////////) G, H2 t+ ~1 u. U
// Construction/Destruction
3 R+ @! Q: o& I( G# u) U//////////////////////////////////////////////////////////////////////  z5 {) u. o* @* z
void CImageDataObject::SetBitmap(HBITMAP hBitmap)7 W$ M$ e$ B+ ^$ }8 s4 F' T& A+ x
{( l$ T9 H! @  K
% |4 X7 Z* L$ I4 d- l; e
    STGMEDIUM stgm;6 g; X; Y, J/ c+ A. y
    stgm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle        
8 p$ ^9 t( m0 Z6 p8 r    stgm.hBitmap = hBitmap;
6 G! O/ A- c/ V. ]    stgm.pUnkForRelease = NULL;                // Use ReleaseStgMedium
  v7 U8 N& J; T& D    FORMATETC fm;: z4 z9 i) W# K7 T" p) W" x; E
    fm.cfFormat = CF_BITMAP;                // Clipboard format = CF_BITMAP
& ^, {5 Z5 c9 ^4 N    fm.ptd = NULL;                            // Target Device = Screen0 o+ b1 |. F! |/ J3 ~% I9 ~
    fm.dwAspect = DVASPECT_CONTENT;            // Level of detail = Full content6 Q# p/ r$ ?$ y
    fm.lindex = -1;                            // Index = Not applicaple0 r& ~6 a2 `# }7 k
    fm.tymed = TYMED_GDI;                    // Storage medium = HBITMAP handle
- K, V2 D" B9 v: ?; E8 h' ]    this->SetData(&fm, &stgm, TRUE);        8 I" N- P8 z& z, K  `
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IOleObject *CImageDataObject::GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage)
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    SCODE sc;
( x% T# d& B" Y& U- h    IOleObject *pOleObject;& U3 S: v: B; R
    sc = ::OleCreateStaticFromData(this, IID_IOleObject, OLERENDER_FORMAT,
% u) O0 W( H; s2 _' w) J            &m_fromat, pOleClientSite, pStorage, (void **)&pOleObject);/ o& M! R  P* g% |0 r8 U) S/ g  ^
    return pOleObject;! j" L3 D% B9 v* j: `4 R
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/////////////* Q( a/ {& Z. t( ]9 {* `# K1 N4 v
  OK,下面是想RichEdit中插入bitmap的范例. M# p0 M, U' a' u$ R3 |7 p% }+ f$ ]
  CImageDataObject::InsertBitmap(m_sendRichEdit.GetOleInterface(),bmp.m_hBitmap,dwBitmapInfo); 2 V% B2 z+ r/ T3 d, Q
  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)。" w+ @8 a- r+ G3 h$ T
  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。0 }; q; l/ M' [! s, |. \
  2. 从EditRich中提取位图信息0 X) w& _& G7 G7 p; U. v
     下面是范例代码,其中原来就不多说了,看代码吧。1 a% n& G9 P8 }& x; n; v+ t/ d
    //获取RichEdit中有几个bitmap,这里假设RichEdit中有位图文件
( T9 n9 s2 w# O; d/ o  S    int c = m_sendRichEdit.GetOleInterface()->GetObjectCount();     ! _+ o  u* g6 H
   for(int i = 0 ; i < c ; i++) //遍历位图+ F/ g: t8 T$ {* ^9 f5 Q$ w% |4 b6 |
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       REOBJECT object;  //位图信息存在这里
6 ]0 z$ Y* b" g( w/ ?' O$ _! S     memset(&object,0,sizeof(REOBJECT));1 c! W3 t+ A5 V" i" ~: t% z
     object.cbStruct = sizeof(REOBJECT);
7 \0 l! C8 ~& E. w/ |     m_sendRichEdit.GetOleInterface()->GetObject(i,&object,REO_GETOBJ_ALL_INTERFACES);( b! R1 n+ O* C' N$ R
     int pos = object.cp ; //位图的位置信息
( P4 u2 q1 W" H! m6 c& M$ B     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
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/////////////////////////////////////////////////////
5 f$ j& Y5 ?' s. d. b! KOVER
" L8 L! V4 ^6 p2 I; _" ~////////////////////////////////////////////////////
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. o1 g+ F( r' p6 {1 G+ kTrackback: http://tb.blog.csdn.net/TrackBack.aspx?PostId=391030
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