最近在做MFC的IM类程序开发,有一个CRichEditCtrl控件用来发消息,现在想把CBitmap图片放入到这个控件中,网上试了好多代码都不行,希望指导一下
//将图片放在richedit中
void BugReportDialog::InsertPicToRichEdit(HBITMAP hbitmap)
{
HBITMAP bmp = hbitmap;
//创建HBITMAP
//bmp = (HBITMAP)::LoadImage(NULL, *pBmpFile, IMAGE_BITMAP, 0, 0,
// LR_LOADFROMFILE|LR_DEFAULTCOLOR|LR_DEFAULTSIZE);
STGMEDIUM stgm;
stgm.tymed = TYMED_GDI;
stgm.hBitmap = bmp;
stgm.pUnkForRelease = NULL;
FORMATETC fm;
fm.cfFormat = CF_BITMAP;
fm.ptd = NULL;
fm.dwAspect = DVASPECT_CONTENT;
fm.lindex = -1;
fm.tymed = TYMED_GDI;
//创建输入数据源
IStorage *pStorage;
//分配内存
LPLOCKBYTES lpLockBytes = NULL;
SCODE sc = ::CreateILockBytesOnHGlobal(NULL, TRUE, &lpLockBytes);
if (sc != S_OK)
AfxThrowOleException(sc);
ASSERT(lpLockBytes != NULL);
sc = ::StgCreateDocfileOnILockBytes(lpLockBytes,
STGM_SHARE_EXCLUSIVE|STGM_CREATE|STGM_READWRITE, 0, &pStorage);
if (sc != S_OK)
{
VERIFY(lpLockBytes->Release() == 0);
lpLockBytes = NULL;
AfxThrowOleException(sc);
}
ASSERT(pStorage != NULL);
COleDataSource *pDataSource = new COleDataSource;
pDataSource->CacheData(CF_BITMAP, &stgm);
LPDATAOBJECT lpDataObject =
(LPDATAOBJECT)pDataSource->GetInterface(&IID_IDataObject);
//获取RichEdit的OLEClientSite
LPOLECLIENTSITE lpClientSite;
CRichEditCtrl* m_rch = (CRichEditCtrl*)FromHandle(m_contentHwnd);
m_rch->GetIRichEditOle()->GetClientSite(&lpClientSite);
//创建OLE对象
IOleObject *pOleObject;
sc = OleCreateStaticFromData(lpDataObject,IID_IOleObject,OLERENDER_FORMAT,
&fm,lpClientSite,pStorage,(void **)&pOleObject);
if(sc!=S_OK)
AfxThrowOleException(sc);
//插入OLE对象
REOBJECT reobject;
ZeroMemory(&reobject, sizeof(REOBJECT));
reobject.cbStruct = sizeof(REOBJECT);
CLSID clsid;
sc = pOleObject->GetUserClassID(&clsid);
if (sc != S_OK)
AfxThrowOleException(sc);
reobject.clsid = clsid;
reobject.cp = REO_CP_SELECTION;
reobject.dvaspect = DVASPECT_CONTENT;
reobject.poleobj = pOleObject;
reobject.polesite = lpClientSite;
reobject.pstg = pStorage;
HRESULT hr = m_rch->GetIRichEditOle()->InsertObject( &reobject );
delete pDataSource;
}