public REOBJECT InsertOleObject(IOleObject oleObject, int index, int pos)
{
ILockBytes bytes;
IStorage storage;
IOleClientSite site;
if (oleObject == null)
{
return(null);
}
NativeMethods.CreateILockBytesOnHGlobal(IntPtr.Zero, true, out bytes);
NativeMethods.StgCreateDocfileOnILockBytes(bytes, 0x1012, 0, out storage);
this.IRichEditOle.GetClientSite(out site);
Guid pClsid = new Guid();
oleObject.GetUserClassID(ref pClsid);
NativeMethods.OleSetContainedObject(oleObject, true);
REOBJECT lpreobject = new REOBJECT {
posistion = pos,
clsid = pClsid,
pstg = storage,
poleobj = Marshal.GetIUnknownForObject(oleObject),
polesite = site,
dvAspect = 1,
dwFlags = 2,
dwUser = (uint)index
};
this.IRichEditOle.InsertObject(lpreobject);
Marshal.ReleaseComObject(bytes);
Marshal.ReleaseComObject(site);
Marshal.ReleaseComObject(storage);
return(lpreobject);
}
public bool InsertImageFromFile(string strFilename, int position)
{
ILockBytes bytes;
IStorage storage;
IOleClientSite site;
object obj2;
NativeMethods.CreateILockBytesOnHGlobal(IntPtr.Zero, true, out bytes);
NativeMethods.StgCreateDocfileOnILockBytes(bytes, 0x1012, 0, out storage);
this.IRichEditOle.GetClientSite(out site);
FORMATETC pFormatEtc = new FORMATETC {
cfFormat = (CLIPFORMAT)0,
ptd = IntPtr.Zero,
dwAspect = DVASPECT.DVASPECT_CONTENT,
lindex = -1,
tymed = TYMED.TYMED_NULL
};
Guid riid = new Guid("{00000112-0000-0000-C000-000000000046}");
Guid rclsid = new Guid("{00000000-0000-0000-0000-000000000000}");
NativeMethods.OleCreateFromFile(ref rclsid, strFilename, ref riid, 1, ref pFormatEtc, site, storage, out obj2);
if (obj2 == null)
{
Marshal.ReleaseComObject(bytes);
Marshal.ReleaseComObject(site);
Marshal.ReleaseComObject(storage);
return(false);
}
IOleObject pUnk = (IOleObject)obj2;
Guid pClsid = new Guid();
pUnk.GetUserClassID(ref pClsid);
NativeMethods.OleSetContainedObject(pUnk, true);
REOBJECT lpreobject = new REOBJECT {
posistion = position,
clsid = pClsid,
pstg = storage,
poleobj = Marshal.GetIUnknownForObject(pUnk),
polesite = site,
dvAspect = 1,
dwFlags = 2,
dwUser = 0
};
this.IRichEditOle.InsertObject(lpreobject);
Marshal.ReleaseComObject(bytes);
Marshal.ReleaseComObject(site);
Marshal.ReleaseComObject(storage);
Marshal.ReleaseComObject(pUnk);
return(true);
}
public REOBJECT InsertOleObject(
IOleObject oleObject,
int index)
{
if (oleObject == null)
{
return(null);
}
ILockBytes pLockBytes;
NativeMethods.CreateILockBytesOnHGlobal(IntPtr.Zero, true, out pLockBytes);
IStorage pStorage;
NativeMethods.StgCreateDocfileOnILockBytes(
pLockBytes,
(uint)(STGM.STGM_SHARE_EXCLUSIVE | STGM.STGM_CREATE | STGM.STGM_READWRITE),
0,
out pStorage);
IOleClientSite pOleClientSite;
IRichEditOle.GetClientSite(out pOleClientSite);
Guid guid = new Guid();
oleObject.GetUserClassID(ref guid);
NativeMethods.OleSetContainedObject(oleObject, true);
REOBJECT reoObject = new REOBJECT();
reoObject.cp = _richEdit.TextLength;
reoObject.clsid = guid;
reoObject.pstg = pStorage;
reoObject.poleobj = Marshal.GetIUnknownForObject(oleObject);
reoObject.polesite = pOleClientSite;
reoObject.dvAspect = (uint)DVASPECT.DVASPECT_CONTENT;
reoObject.dwFlags = (uint)REOOBJECTFLAGS.REO_BELOWBASELINE;
reoObject.dwUser = (uint)index;
IRichEditOle.InsertObject(reoObject);
Marshal.ReleaseComObject(pLockBytes);
Marshal.ReleaseComObject(pOleClientSite);
Marshal.ReleaseComObject(pStorage);
return(reoObject);
}
public void InsertOleObject(IOleObject oleObject)
{
if (oleObject == null)
return;
//-----------------------
ILockBytes pLockBytes;
CreateILockBytesOnHGlobal(IntPtr.Zero, true, out pLockBytes);
IStorage pStorage;
StgCreateDocfileOnILockBytes(pLockBytes, (uint)(STGM.STGM_SHARE_EXCLUSIVE|STGM.STGM_CREATE|STGM.STGM_READWRITE), 0, out pStorage);
IOleClientSite pOleClientSite;
this.IRichEditOle.GetClientSite(out pOleClientSite);
//-----------------------
//-----------------------
Guid guid = new Guid();
oleObject.GetUserClassID(ref guid);
//-----------------------
//-----------------------
OleSetContainedObject(oleObject, true);
REOBJECT reoObject = new REOBJECT();
reoObject.cp = this._richEdit.TextLength;
reoObject.clsid = guid;
reoObject.pstg = pStorage;
reoObject.poleobj = Marshal.GetIUnknownForObject(oleObject);
reoObject.polesite = pOleClientSite;
reoObject.dvAspect = (uint)DVASPECT.DVASPECT_CONTENT;
reoObject.dwFlags = (uint)REOOBJECTFLAGS.REO_BELOWBASELINE;
this.IRichEditOle.InsertObject(reoObject);
//-----------------------
//-----------------------
Marshal.ReleaseComObject(pLockBytes);
Marshal.ReleaseComObject(pOleClientSite);
Marshal.ReleaseComObject(pStorage);
//-----------------------
}
public REOBJECT InsertOleObject(IOleObject oleObject, int index, int pos)
{
if (oleObject == null)
{
return null;
}
ILockBytes pLockBytes;
NativeMethods.CreateILockBytesOnHGlobal(IntPtr.Zero, true, out pLockBytes);
IStorage pStorage;
NativeMethods.StgCreateDocfileOnILockBytes(
pLockBytes,
(uint)(STGM.STGM_SHARE_EXCLUSIVE | STGM.STGM_CREATE | STGM.STGM_READWRITE),
0,
out pStorage);
IOleClientSite pOleClientSite;
IRichEditOle.GetClientSite(out pOleClientSite);
Guid guid = new Guid();
oleObject.GetUserClassID(ref guid);
NativeMethods.OleSetContainedObject(oleObject, true);
REOBJECT reoObject = new REOBJECT();
reoObject.posistion = pos;
reoObject.clsid = guid;
reoObject.pstg = pStorage;
reoObject.poleobj = Marshal.GetIUnknownForObject(oleObject);
reoObject.polesite = pOleClientSite;
reoObject.dvAspect = (uint)DVASPECT.DVASPECT_CONTENT;
reoObject.dwFlags = (uint)REOOBJECTFLAGS.REO_BELOWBASELINE;
reoObject.dwUser = (uint)index;
IRichEditOle.InsertObject(reoObject);
Marshal.ReleaseComObject(pLockBytes);
Marshal.ReleaseComObject(pOleClientSite);
Marshal.ReleaseComObject(pStorage);
return reoObject;
}