/// <summary>
/// 获得richtextBox中现有的图片集合
/// </summary>
/// <returns></returns>
public CSS.IM.Library.gifCollections GetExistGifs()
{
//Debug.WriteLine("对象总数：" + this.GetRichEditOleInterface().GetObjectCount());
CSS.IM.Library.gifCollections tempGifs = new gifCollections();
CSS.IM.Library.ExtRichTextBox.REOBJECT reObject = new REOBJECT ();
CSS.IM.Library.MyPicture pic;
for (int i = 0; i < this.GetRichEditOleInterface().GetObjectCount(); i++)//循环访问richbox中所有图片或对像
{
this.GetRichEditOleInterface().GetObject(i, reObject, CSS.IM.Library.ExtRichTextBox.GETOBJECTOPTIONS.REO_GETOBJ_ALL_INTERFACES);
pic = this.findPic(reObject.dwUser);//在图片集合中查找此图片
if (pic != null && pic.ImageMD5.Length>3)//如果此图片名在集合中
{
pic.Pos = reObject.cp;//获得图片的位置
pic.IsSent = true;//标识发送当前图片
tempGifs.add(pic);//将图片添加进发送集合
}
}
return tempGifs;
}
public void UpdateObjects()
{
int k = this.IRichEditOle.GetObjectCount();
for (int i = 0; i < k; i++)
{
REOBJECT reoObject = new REOBJECT();
this.IRichEditOle.GetObject(i, reoObject, GETOBJECTOPTIONS.REO_GETOBJ_ALL_INTERFACES);
if (reoObject.dwUser == 1)
{
Point pt = this._richEdit.GetPositionFromCharIndex(reoObject.cp);
// MessageBox.Show(reoObject.fileName );
Rectangle rect = new Rectangle(pt, reoObject.sizel);
this._richEdit.Invalidate(rect, false); // repaint
}
}
}
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 void InsertMyDataObject(myDataObject mdo)
{
if (mdo == null)
return;
//-----------------------
ILockBytes pLockBytes;
int sc = CreateILockBytesOnHGlobal(IntPtr.Zero, true, out pLockBytes);
IStorage pStorage;
sc = 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 = Marshal.GenerateGuidForType(mdo.GetType());
Guid IID_IOleObject = new Guid("{00000112-0000-0000-C000-000000000046}");
Guid IID_IDataObject = new Guid("{0000010e-0000-0000-C000-000000000046}");
Guid IID_IUnknown = new Guid("{00000000-0000-0000-C000-000000000046}");
object pOleObject;
int hr = OleCreateStaticFromData(mdo, ref IID_IOleObject, (uint)OLERENDER.OLERENDER_FORMAT, ref mdo.mpFormatetc, pOleClientSite, pStorage, out pOleObject);
if (pOleObject == null)
return;
//-----------------------
//-----------------------
OleSetContainedObject(pOleObject, true);
REOBJECT reoObject = new REOBJECT();
reoObject.cp = this._richEdit.TextLength;
reoObject.clsid = guid;
reoObject.pstg = pStorage;
reoObject.poleobj = Marshal.GetIUnknownForObject(pOleObject);
reoObject.polesite = pOleClientSite;
reoObject.dvAspect = (uint)(DVASPECT.DVASPECT_CONTENT);
reoObject.dwFlags = (uint)(REOOBJECTFLAGS.REO_BELOWBASELINE);
reoObject.dwUser = 0;
this.IRichEditOle.InsertObject(reoObject);
//-----------------------
//-----------------------
Marshal.ReleaseComObject(pLockBytes);
Marshal.ReleaseComObject(pOleClientSite);
Marshal.ReleaseComObject(pStorage);
Marshal.ReleaseComObject(pOleObject);
//-----------------------
}
public bool InsertImageFromFile(string strFilename)
{
//-----------------------
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);
//-----------------------
//-----------------------
FORMATETC formatEtc = new FORMATETC();
formatEtc.cfFormat = 0;
formatEtc.ptd = IntPtr.Zero;
formatEtc.dwAspect = DVASPECT.DVASPECT_CONTENT;
formatEtc.lindex = -1;
formatEtc.tymed = TYMED.TYMED_NULL;
Guid IID_IOleObject = new Guid("{00000112-0000-0000-C000-000000000046}");
Guid CLSID_NULL = new Guid("{00000000-0000-0000-0000-000000000000}");
object pOleObjectOut;
// I don't sure, but it appears that this function only loads from bitmap
// You can also try OleCreateFromData, OleLoadPictureIndirect, etc.
int hr = OleCreateFromFile(ref CLSID_NULL, strFilename, ref IID_IOleObject, (uint)OLERENDER.OLERENDER_DRAW, ref formatEtc, pOleClientSite, pStorage, out pOleObjectOut);
if (pOleObjectOut == null)
{
Marshal.ReleaseComObject(pLockBytes);
Marshal.ReleaseComObject(pOleClientSite);
Marshal.ReleaseComObject(pStorage);
return false;
}
IOleObject pOleObject = (IOleObject)pOleObjectOut;
//-----------------------
//-----------------------
Guid guid = new Guid();
//guid = Marshal.GenerateGuidForType(pOleObject.GetType());
pOleObject.GetUserClassID(ref guid);
//-----------------------
//-----------------------
OleSetContainedObject(pOleObject, true);
REOBJECT reoObject = new REOBJECT();
reoObject.cp = this._richEdit.TextLength;
reoObject.clsid = guid;
reoObject.pstg = pStorage;
reoObject.poleobj = Marshal.GetIUnknownForObject(pOleObject);
reoObject.polesite = pOleClientSite;
reoObject.dvAspect = (uint)(DVASPECT.DVASPECT_CONTENT);
reoObject.dwFlags = (uint)(REOOBJECTFLAGS.REO_BELOWBASELINE);
reoObject.dwUser = 0;
this.IRichEditOle.InsertObject(reoObject);
//-----------------------
//-----------------------
Marshal.ReleaseComObject(pLockBytes);
Marshal.ReleaseComObject(pOleClientSite);
Marshal.ReleaseComObject(pStorage);
Marshal.ReleaseComObject(pOleObject);
//-----------------------
return true;
}
public void InsertControl(Control control)
{
if (control == null)
return;
Guid guid = Marshal.GenerateGuidForType(control.GetType());
//-----------------------
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);
//-----------------------
//-----------------------
REOBJECT reoObject=new REOBJECT();
reoObject.cp = this._richEdit.SelectionStart;//this._richEdit.TextLength;
reoObject.clsid = guid;
reoObject.pstg = pStorage;
reoObject.poleobj = Marshal.GetIUnknownForObject(control);
reoObject.polesite = pOleClientSite;
reoObject.dvAspect = (uint)(DVASPECT.DVASPECT_CONTENT);
reoObject.dwFlags = (uint)(REOOBJECTFLAGS.REO_BELOWBASELINE);
try
{
reoObject.dwUser =(control as MyPicture).Index ;
}
catch{}
this.IRichEditOle.InsertObject(reoObject);
//-----------------------
//-----------------------
Marshal.ReleaseComObject(pLockBytes);
Marshal.ReleaseComObject(pOleClientSite);
Marshal.ReleaseComObject(pStorage);
//-----------------------
}