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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。
' q$ D A' e' d% Z% h( [ @" b& v9 } 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。
' i, o$ ]7 Z M2 g& e& [) C/ G 1.在RichEdit中插入Bitmap/GIF的方法2 ?9 R) E1 |- l- j6 j
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 P" e* u. a8 `% a8 o) AImageDataObect.h! F8 Y- e8 B& _% |
====================================================
6 e, }% Q7 K0 g! x) ?#ifndef IMAGE_DATA_OBJECT__H- R. X4 s5 E0 W$ ^
#define IMAGE_DATA_OBJECT__H
9 r+ n/ q0 e- L! M0 \( c: Q#include <Richedit.h>1 S( ]) a. p1 t$ l
#include <objidl.h.># x0 Z P F& u7 H
#include <Richole.h>+ w& U" `( e+ K/ P. p L7 S. R u
class CImageDataObject : IDataObject ' ~6 ~4 v# h1 o
{
; o) O" o0 L2 u, I) A/ k& w2 G) Tpublic:+ a8 ?/ X) j/ G. p+ A0 s
// This static fumction accepts those parameters:
% `( S2 h$ ~! f; _" I // IRichEditOle* : a pointer to IRochEditOle interface for the RichEdit Control
) V4 i8 f9 q1 T" v0 g, O // HBITMAP : the bitmap handle.
9 p8 C f; u9 W F6 n) L //DWORD dwUser - 位图相关的信: S/ H1 l6 w9 ]
// After calling the function, it inserts the image in the current $ w0 F) A& q, `; j
// position of the RichEdit: X* f) ?8 N8 i
//
$ O/ u8 T, @/ V2 K- c' H0 I. V8 b static void InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser);
9 |8 ^& T P; e8 L2 V; M/ B static void InsertGif(IRichEditOle *pRichEditOle,const char *gif_file,DWORD dwUser);
* z- n2 V( v& D. ~3 Sprivate:
6 e2 ?% D V$ c4 u) m6 g c ULONG m_ulRefCnt;/ ^* O3 K3 e4 Y
BOOL m_bRelease;9 e8 r3 R' X. t0 c
// The data being bassed to the richedit/ t( [' W. @7 [' V1 ^' K5 F& B
//
+ i0 y& G$ B/ y6 R. ? ] STGMEDIUM m_stgmed;
$ o* V8 b8 l! n, h$ N- { FORMATETC m_fromat;
( [* |# z3 K- bpublic:
; d* N3 O& o7 F, } CImageDataObject() : m_ulRefCnt(0)
; z7 @$ {9 g' s2 ^3 v {6 L, u* \5 ~3 R. N/ R
m_bRelease = FALSE;
/ m* f/ p$ F# E }' ]: k3 r) B0 e5 W s( G
~CImageDataObject()9 J: M- a9 }& Y% O. z! o9 E
{. s5 H) F, w* @6 G) I E
if (m_bRelease)" S+ ?# G9 |( L3 k
::ReleaseStgMedium(&m_stgmed);
" b* F0 D* a. _1 Z1 h6 h) o }
* m. Z! E# Q0 h: s* ~ // Methods of the IUnknown interface8 D* v2 w/ n/ I1 ^1 M2 _
// 0 d, j1 w7 b A1 k V
STDMETHOD(QueryInterface)(REFIID iid, void ** ppvObject)/ n8 z( X5 N8 X! ` z: c
{
& ]. p$ \( i% b% X" q if (iid == IID_IUnknown || iid == IID_IDataObject)7 |$ i5 G* j5 F+ ~5 s) Q3 ^: A
{* F& T( a4 r- z9 I
*ppvObject = this;3 e% R; r( j/ @/ E
AddRef();
" [8 o+ ?7 U4 B% g4 Y return S_OK;% o3 N$ z* t( _2 f& m
}
6 j- \, g# I) P$ K) H5 ? else9 \2 W" s5 [# l. q4 ]3 y1 ^
return E_NOINTERFACE;8 ]- m/ ?: F9 f0 _( g
}
" K. n: L, j6 l- |, w* t- C* Y2 K STDMETHOD_(ULONG, AddRef)(void)! K( F: }$ Q0 r) ?5 ]$ |; M: D: F
{9 Z5 r+ M# o; s6 j
m_ulRefCnt++;# L3 i7 P+ j% `) V5 L
return m_ulRefCnt;. r( M% v( h; [
}4 ~2 V" V! k+ y% J) U! `' H' S
STDMETHOD_(ULONG, Release)(void)
- y7 B1 B& K! ~8 x) b {0 i. k. ~) j1 V* G
if (--m_ulRefCnt == 0)
- ~+ F5 |* |% g {* ]/ ?! o/ R/ N8 L' [# N: T
delete this;
! d+ x) c m: z3 n. o0 d }. U3 ^0 R- E0 M C, k( v: v
return m_ulRefCnt;
% ^9 O+ y3 T, O; P: M, Q* G }
' C4 s. ~) ?8 M& R9 p6 F // Methods of the IDataObject Interface
' j2 R. j( U* J //0 ^1 [+ j& N( I5 _4 E
STDMETHOD(GetData)(FORMATETC *pformatetcIn, STGMEDIUM *pmedium) {0 Y& R$ f( n Y4 y. W
HANDLE hDst;& b, a- r) M$ p" O; W
hDst = ::OleDuplicateData(m_stgmed.hBitmap, CF_BITMAP, NULL);6 }8 X h7 a$ u$ e' f! F, m$ W
if (hDst == NULL)7 ^/ o4 ^5 I9 R
{: B7 E2 Q# j# u$ k
return E_HANDLE;! C: Z6 r/ b7 A0 ] V$ A2 O& q3 j
}
1 X& t5 x. _" X4 X8 |. L u8 n pmedium->tymed = TYMED_GDI;
7 X. y; q S' v* A; i pmedium->hBitmap = (HBITMAP)hDst;
1 K- V9 {+ T( k I& o pmedium->pUnkForRelease = NULL;
5 G$ e) j! Z. ~" r return S_OK;; Q3 ]# q8 w5 A( n& F' G
}
v1 V/ ?+ H h3 a% t" v* ] ' R) \0 I2 a/ u7 q
STDMETHOD(GetDataHere)(FORMATETC* pformatetc, STGMEDIUM* pmedium ) " ?- _) j; q8 M1 `* T, ]# j
{
( g. n% z( f% q# u return E_NOTIMPL;
8 H. p4 o2 H( N } c3 G5 K% D- n o0 k6 K- ^. B# ~0 S
0 M3 T+ p- r5 P3 R4 v STDMETHOD(QueryGetData)(FORMATETC* pformatetc ) ; @8 i( O+ l4 c. q: |0 D
{
5 w: A( a5 C' z/ I7 M" c8 W9 u return E_NOTIMPL; s' D+ R* A) \0 F/ G5 n0 i+ N9 w
}
' u! R% g: q5 u7 V, d 8 V' u7 Y9 l3 F5 @) K# A1 r; U
STDMETHOD(GetCanonicalFormatEtc)(FORMATETC* pformatectIn ,FORMATETC* pformatetcOut ) ! ?3 d' a3 P! x$ _. T( ?# G
{ w/ g. M0 _* e2 S+ b
return E_NOTIMPL;
+ f# T3 ]. J. P. Y }
; L% y2 z- } ?. { C; \# e ! Y8 X3 ~5 E3 K1 t
STDMETHOD(SetData)(FORMATETC* pformatetc , STGMEDIUM* pmedium , BOOL fRelease )
: t' b2 z# g8 ~( k' V. `7 \$ ~0 m {
) O4 }. {; L) ~ m_fromat = *pformatetc;2 [. \; R7 T) B! R% F/ N
m_stgmed = *pmedium;% s9 A& l) m9 w! X; J! i: h
return S_OK;
$ m; {: X1 z: |8 R }% U3 s$ m- J5 m9 y! P; ?0 m0 D
/ W2 h& V5 R, n. T2 ^9 l. D9 v STDMETHOD(EnumFormatEtc)(DWORD dwDirection , IEnumFORMATETC** ppenumFormatEtc ) % A$ l" ]! K4 U' @% H+ p, b' H
{
- n# L/ f* Y0 J" v+ H x return E_NOTIMPL;5 V( @5 R6 ?' Q
}
4 i. k5 p1 Y' [& X- l( H: ?& ? , z' ?, i, m2 z% x O0 ]! [
STDMETHOD(DAdvise)(FORMATETC *pformatetc, DWORD advf, IAdviseSink *pAdvSink,
" M; b+ \$ M3 l$ { DWORD *pdwConnection)
; t: M3 `4 ^9 m {" S3 X0 J7 I1 b* ]
return E_NOTIMPL;
# V) \8 y+ J2 A2 N/ Z } Z6 F' R) Z, ~! E5 |6 L1 x) T
# R5 Y, ^) O2 y
STDMETHOD(DUnadvise)(DWORD dwConnection)
: o; C u7 u, a5 F1 [ { d' M/ J+ ?- C# ?# `
return E_NOTIMPL;1 a/ j' D" c* e, ^
}/ Q, w4 M# i9 X5 [* t+ t- I( ]# J
; h$ C9 Q; J, ]' K' }5 \. _
STDMETHOD(EnumDAdvise)(IEnumSTATDATA **ppenumAdvise)
! C! L- N+ r k" J! ?2 T" q( @ {9 g& d! g- y; c% t* e
return E_NOTIMPL;! a0 O4 C( \4 H8 q3 x* r. _, m
}7 [4 w+ t+ c- m, n* y* p: p7 D4 r( Y
// Some Other helper functions6 u m! U# Y4 s" E
//# `% g5 P- t# P( ~% [
void SetBitmap(HBITMAP hBitmap);
: r6 t7 b; e# j8 L9 O" a5 w" Z IOleObject *GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage);) K& w+ v+ _0 D5 g4 @
};
. q$ t; ]1 {9 k' H* c#endif // IMAGE_DATA_OBJECT__H
* ~/ S8 W1 r0 e! f$ F===========================2 x" `3 T W4 k' t
ImageDataObject.cpp
+ D5 T/ R. ?. q3 w: N* p#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 A# K: L% o9 q8 E% M
#include "ImageDataObject.h"2 I! `4 |/ A( a7 D/ u. b
#import "ImageOle.dll" raw_interfaces_only, raw_native_types, no_namespace, named_guids, auto_search
& w' t+ W5 x5 G4 cstatic CLSID const gif_clsid = { 0x6ADA938, 0xFB0, 0x4BC0, { 0xB1, 0x9B, 0xA, 0x38, 0xAB, 0x17, 0xF1, 0x82 } };2 G! R& D2 d: ?# b% L1 ^
void CImageDataObject::InsertBitmap(IRichEditOle* pRichEditOle, HBITMAP hBitmap,DWORD dwUser)
; {) G4 ?+ l/ B2 D2 T! [. i) ~! I{8 w5 d9 `" b7 F9 ~( n
SCODE sc;$ s0 ?- u0 o/ C1 A2 ~" d
// Get the image data object V# [# T j7 s! m3 x% ?+ q5 u4 X9 `
//& L+ N& D+ ~& A6 |$ y8 ]
CImageDataObject *pods = new CImageDataObject;
( E' F' D! H0 K& Z LPDATAOBJECT lpDataObject;
& R; b# v1 g& Z0 g Y pods->QueryInterface(IID_IDataObject, (void **)&lpDataObject);% a9 t4 ^/ [3 v" |* w( }5 U7 b6 S' D
pods->SetBitmap(hBitmap);% L; b7 b0 [: \7 X; |: U) S
// Get the RichEdit container site e! I8 b+ A m- N; @1 I$ m% T
//1 ?/ n, u" W$ Z
IOleClientSite *pOleClientSite; ( O" q, }6 E1 ^$ r
% P2 |2 D1 q; Y- u! Y5 I pRichEditOle->GetClientSite(&pOleClientSite);8 F* l" s4 A z
// Initialize a Storage Object, |0 C7 M* b) t! ^& s
//- o7 V$ }2 y+ P' @) S. Y/ u
IStorage *pStorage; 7 E& k3 A+ t" [' x* M1 }* p
LPLOCKBYTES lpLockBytes = NULL;
( m3 d) C$ d2 [ sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
0 t% o' J4 v/ \ W7 s
' n Q2 Z8 Y ~# P# Q: k sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,
. h# A4 Y1 e5 X. }3 R2 [% O STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &pStorage);, g- X9 X: a/ O: H; r4 Q" n
" @+ @% ?% R$ j
// The final ole object which will be inserted in the richedit control
, N7 }4 L) Q A( b1 W' o* x //
, S5 t9 W2 o- j* p1 w3 o, g% @ IOleObject *pOleObject;
7 ^+ [3 ^+ G! T& D pOleObject = pods->GetOleObject(pOleClientSite, pStorage);$ O. o* V* t* _: J% {
// all items are "contained" -- this makes our reference to this object
+ K- D$ x# W" {: m6 j // weak -- which is needed for links to embedding silent update.0 P: t4 J4 Q6 h6 [
OleSetContainedObject(pOleObject, TRUE);
u6 T' V( }/ \2 x/ S // Now Add the object to the RichEdit
2 t4 E$ s7 v" z //
/ W2 Y' C# M! e4 l& c; Y: P0 { REOBJECT reobject;
7 g1 Q: ^; r6 ?" V2 v ZeroMemory(&reobject, sizeof(REOBJECT));
' l- ~3 T( D- J reobject.cbStruct = sizeof(REOBJECT);( x, p; ?3 i( @6 o. a0 h/ I+ b0 a+ P
6 j5 ?2 Z/ ^6 w" l6 Y CLSID clsid;
* c- H2 h9 y% j' E! C7 ]& | sc = pOleObject->GetUserClassID(&clsid);
- S& ~& E S! Y5 N
2 b Z6 E) F. L reobject.clsid = clsid;
$ X, Z* a2 A0 K! ~- e5 f reobject.cp = REO_CP_SELECTION;
8 f9 a- p/ K8 r reobject.dvaspect = DVASPECT_CONTENT;0 {/ Z! ]+ U" X- X% C& Z* W l
reobject.poleobj = pOleObject;8 j. ?7 ?* g) m
reobject.polesite = pOleClientSite;
1 @) d8 Z& }8 v, D% M( K0 t reobject.pstg = pStorage;" R- P5 k. b6 A3 F1 @" z$ E6 i* [
reobject.dwUser = dwUser;) B# i8 c, x# q. |
// Insert the bitmap at the current location in the richedit control
) t& U, \6 a% v# N. j //
, L O% A/ n, _- s: ~8 w8 D pRichEditOle->InsertObject(&reobject);
% i3 R( {5 ]! c- g // Release all unnecessary interfaces) M& m X( k* J9 a# I- o6 f- R! W
//
8 ~ B1 X# r3 B0 B' v2 Z8 A6 g& Z, z pOleObject->Release();5 r+ Q( [5 ]; r/ w
pOleClientSite->Release();. A( A1 f( \; s- S5 U
pStorage->Release();
1 ^% u8 B8 D/ X, `$ a) @ lpDataObject->Release();
, P- @6 j( k6 `- y}
$ Q9 n2 q% n5 Q9 Ovoid CImageDataObject::InsertGif(IRichEditOle *lpRichEditOle,const char *gif_file,DWORD dwUser)
4 H S0 P. H7 L: g$ ^' ]; P2 o k{
+ F$ A% i v, S* GLPOLEOBJECT lpObject=NULL;
3 Y! k8 M) L3 y" d' A, jLPSTORAGE lpStorage=NULL;
7 D) I( X9 b3 p- @; a# v* `LPOLECLIENTSITE lpClientSite=NULL;
% d V0 x, c3 D& |LPLOCKBYTES lpLockBytes = NULL;
! Y8 k1 T+ H v4 f0 R3 f. RHRESULT hr=S_OK;
$ ], ^& s! q* ]CLSID clsid=CLSID_NULL;, a3 _8 A$ H6 X
do{
% F) q' [# z% J hr= ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
# A* |+ B0 k, l0 d5 @) \. K% Z if (hr != S_OK || lpLockBytes==NULL)
. I6 [; _5 O7 N8 W, z break;5 z$ c( O N8 X% _3 {: t9 ?2 Q9 h
hr= ::StgCreateDocfileOnILockBytes(lpLockBytes, STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &lpStorage);
; b' o B: |7 {2 d* @' ~# [9 C if (hr!= S_OK||lpStorage==NULL) 5 V [( V; l0 e
break;& F$ B5 T0 f8 m. P+ G% w" o
hr=lpRichEditOle->GetClientSite(&lpClientSite);3 N: n$ ~3 o$ c" M' C! i0 D& t1 w
if (hr!= S_OK||lpClientSite==NULL)
S0 [: |. z) I$ D% |) ^7 ^ break;" n& p- f! s& t
try
. \" f& y/ F( [" T {- o, t6 `2 K( A4 n B5 w
HRESULT hr;
[. \+ M# M, m1 Q5 J+ e6 ~' Y" | IGifAnimator *pGif = NULL;. z! i4 x4 @- V/ B9 c# w+ t4 Y
hr = CoCreateInstance(gif_clsid,NULL,CLSCTX_INPROC_SERVER , IID_IGifAnimator,(void **)&pGif);
! B$ U0 r0 o: y# h/ M if(FAILED(hr) || pGif == NULL)
' } U$ z1 [9 j! i break ;
, u9 G- Q* K/ ]. h& S _bstr_t bstrPath(gif_file);, I5 c; l8 w1 H
pGif->LoadFromFile(bstrPath);6 ^! V8 c3 I3 x6 k# U T& c; h
if(FAILED(hr)): i! y G, Q, r* r/ ~1 ~
{
# g2 Y, A$ S8 i3 K) K7 R1 r( I pGif->Release(); ~' I; Q- F$ f" y0 w
break ;
1 g0 a7 S/ N' A) j5 l" x1 `6 Z }
: j) @! z7 B) G% _. J* z6 X$ _ hr = pGif->QueryInterface(IID_IOleObject, (void**)&lpObject);( ~& z }7 u0 l7 O6 s$ A7 P" J
if( FAILED(hr)||lpObject==NULL) 6 W* k5 q6 v# ^& m
{- u" C$ n$ h! V6 O1 \% ?) Y
pGif->Release();9 x& e2 ~$ ~+ ^ e
break ;2 T1 F! n5 C/ Z5 s, T2 F
}0 |1 i7 M( y! k
0 x! @, H( e" }! U- P; {
hr=OleSetContainedObject(lpObject, TRUE);2 E2 h0 J4 d4 c) }: n# g0 X
if( FAILED(hr) )
* y5 Z4 r4 K9 X9 Z {
* A% T5 j! H* U9 @* U8 I pGif->Release();
" E$ E4 P( }/ U, l break ;" ~, Z' |2 q" ~1 r1 j+ C
}
# c) @: U7 A1 e8 O; I hr=lpObject->GetUserClassID(&clsid);- @7 f0 ^) J- }
if( FAILED(hr) )& N+ v+ T* x. V! T2 T8 R/ x2 V2 g h. ?
{# f" b* s5 v" c: F8 `& H
pGif->Release();% B: T1 O* e0 T- T% p/ R
break ;6 z% E- ^( O3 n* m$ I
}
% H9 u. S4 X' c# T7 n REOBJECT reobject;
# C; U( }( k& T' O ZeroMemory(&reobject, sizeof(REOBJECT));
6 @' ~( f) y% M I reobject.cbStruct = sizeof(REOBJECT);
) ~6 k8 B( U9 w5 Z! E Y/ Z$ L reobject.clsid = clsid;
- q% y9 F+ ?& H4 \- y$ x! x reobject.cp = REO_CP_SELECTION;0 k. J& E5 H7 x. F; z
reobject.dvaspect = DVASPECT_CONTENT;
0 P5 [, }% {8 ~' W& O1 \& b reobject.dwFlags = REO_BELOWBASELINE;3 N# v0 C5 r1 b. ^& a3 r8 a2 W# h5 ^6 U
reobject.dwUser = dwUser;2 K+ U/ [3 x6 v* q4 J* T* s- Y
reobject.poleobj = lpObject;
1 z3 G3 S4 y @+ z* i$ @ reobject.polesite = lpClientSite;
- W/ X# l7 A5 k# A9 }+ d reobject.pstg = lpStorage;
' V- q, M# G- d! {# F) r% L SIZEL sizel={0,0};3 _3 T7 u9 O n! `7 V+ D
reobject.sizel = sizel;
% O) Z3 M- _* o$ m! { ~ hr=lpRichEditOle->InsertObject(&reobject);$ V% V6 G! r( J' @1 h, b# @
}
( G' `+ u, ~7 }1 |- _7 i6 z7 _ catch( _com_error &e ) O& Z% Y7 C( a8 r& P% B5 b
{
' Q( w' b8 ? O7 I( |9 Z }
" Y& o/ M" L1 n; o- d}while(FALSE);1 B! Z# X) D# u+ R. O: [
if(lpLockBytes) lpObject->Release();
x8 J4 d5 s/ ^4 ?6 p, A* z' @9 z/ Kif(lpLockBytes) lpLockBytes->Release();
2 E+ i: N9 Q8 A5 uif(lpClientSite) lpClientSite->Release();0 W% J) f$ z& U' P
if(lpRichEditOle) lpRichEditOle->Release();( Z" Q0 ?! F' t1 y
}
% h( _% W0 i- S+ O9 E$ o5 y
2 ~. q" |" M" W$ q//////////////////////////////////////////////////////////////////////6 z+ F0 w9 F5 R
// Construction/Destruction
0 c4 ^5 M1 F. D, M& u! ~//////////////////////////////////////////////////////////////////////) I1 T6 | I6 i' q
void CImageDataObject::SetBitmap(HBITMAP hBitmap). J8 y- i, r; w/ {0 r* P# b3 h
{
. i" M" W- r* l8 ]4 L+ x
; F# d. i" e! h STGMEDIUM stgm;2 S2 Z+ i% a+ o" g7 H0 j
stgm.tymed = TYMED_GDI; // Storage medium = HBITMAP handle 5 @2 P! `, i; E+ U- S6 u" @
stgm.hBitmap = hBitmap;
4 b$ m7 N: A7 r% _2 G$ P4 P3 W& _ stgm.pUnkForRelease = NULL; // Use ReleaseStgMedium
: y! ]& l7 c' o' g5 c0 t" B FORMATETC fm;) y, v: b. ]( C
fm.cfFormat = CF_BITMAP; // Clipboard format = CF_BITMAP+ n. A8 ]! s6 i$ q' K5 o
fm.ptd = NULL; // Target Device = Screen
7 n+ g0 Y9 |6 }( t$ M fm.dwAspect = DVASPECT_CONTENT; // Level of detail = Full content" q4 w: @: c& m! q
fm.lindex = -1; // Index = Not applicaple+ r( g" B4 L, W) i5 K7 y* W* }
fm.tymed = TYMED_GDI; // Storage medium = HBITMAP handle
& s# t9 x: j5 z this->SetData(&fm, &stgm, TRUE); 5 w( Y/ p* o- g
}8 e% F$ k+ a; \% G3 a
IOleObject *CImageDataObject::GetOleObject(IOleClientSite *pOleClientSite, IStorage *pStorage)0 n H/ ^) a. n8 O/ o }
{
1 s, q& N, @ C
. p d' J) z1 u* p5 w SCODE sc;
2 U4 [. m+ w- q2 e IOleObject *pOleObject;+ ^, |, h8 T; \. Y% q
sc = ::OleCreateStaticFromData(this, IID_IOleObject, OLERENDER_FORMAT, 6 T8 Z' y5 x& _+ ]0 z
&m_fromat, pOleClientSite, pStorage, (void **)&pOleObject);; w5 F6 D& k1 _1 ]' L. S+ i
return pOleObject;
4 P6 _. ~8 T5 }1 H" i& m}
% a4 {" l4 k( h Q1 x/////////////6 W; u# [3 P+ L( `
OK,下面是想RichEdit中插入bitmap的范例
' q8 {! t% @0 ]/ E& V9 W5 \6 v CImageDataObject::InsertBitmap(m_sendRichEdit.GetOleInterface(),bmp.m_hBitmap,dwBitmapInfo);
- k5 V3 ^% j1 z. } 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)。) i8 U, m5 c! X d. {4 o3 Q, 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。
1 y/ _6 ~! T' x5 G2 L8 T$ F$ C 2. 从EditRich中提取位图信息
Q* R: F- X9 c. W' q 下面是范例代码,其中原来就不多说了,看代码吧。
$ E4 ?0 l( e3 w- W* b& A //获取RichEdit中有几个bitmap,这里假设RichEdit中有位图文件. I1 e$ \; N7 ]( ~% N
int c = m_sendRichEdit.GetOleInterface()->GetObjectCount(); ' o8 x, Y0 E0 {
for(int i = 0 ; i < c ; i++) //遍历位图
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REOBJECT object; //位图信息存在这里
! P* H" c6 H2 N memset(&object,0,sizeof(REOBJECT));0 `6 f4 E* i# ^# Z) n+ m! x6 a
object.cbStruct = sizeof(REOBJECT);6 C4 \- _! {, z6 G: |& e
m_sendRichEdit.GetOleInterface()->GetObject(i,&object,REO_GETOBJ_ALL_INTERFACES);; B% N0 k( f3 N" d. S
int pos = object.cp ; //位图的位置信息
, i' Z2 g# q1 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
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OVER
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