protected override bool InternalGetDataHere(ref System.Runtime.InteropServices.ComTypes.FORMATETC format, ref System.Runtime.InteropServices.ComTypes.STGMEDIUM medium)
{
if (format.cfFormat == DataObjectHelper.CF_EMBEDSOURCE && (format.tymed & TYMED.TYMED_ISTORAGE) != 0)
{
medium.tymed = TYMED.TYMED_ISTORAGE;
medium.pUnkForRelease = null;
var stg = (IStorage)Marshal.GetObjectForIUnknown(medium.unionmember);
// we don't save the document directly, since this would mean to save the whole (and probably huge) project
// instead we first make a mini project with the neccessary data only and then save this instead
InternalSaveMiniProject(stg, _altaxoMiniProject, _graphDocumentName);
return(true);
}
if (format.cfFormat == DataObjectHelper.CF_LINKSOURCE && (format.tymed & TYMED.TYMED_ISTREAM) != 0)
{
// we should make sure that ComManager is already started, so that the moniker can be used by the program
if (!_comManager.IsActive)
{
_comManager.StartLocalServer();
}
IMoniker documentMoniker = CreateNewDocumentMoniker();
if (null != documentMoniker)
{
medium.tymed = TYMED.TYMED_ISTREAM;
medium.pUnkForRelease = null;
var strm = (IStream)Marshal.GetObjectForIUnknown(medium.unionmember);
DataObjectHelper.SaveMonikerToStream(documentMoniker, strm);
return(true);
}
}
return(false);
}
protected override bool InternalGetDataHere(ref System.Runtime.InteropServices.ComTypes.FORMATETC format, ref System.Runtime.InteropServices.ComTypes.STGMEDIUM medium)
{
if (format.cfFormat == DataObjectHelper.CF_LINKSOURCE && (format.tymed & TYMED.TYMED_ISTREAM) != 0)
{
var moniker = Moniker;
if (null != moniker)
{
medium.tymed = TYMED.TYMED_ISTREAM;
medium.pUnkForRelease = null;
var strm = (IStream)Marshal.GetObjectForIUnknown(medium.unionmember);
DataObjectHelper.SaveMonikerToStream(Moniker, strm);
return(true);
}
}
return(false);
}