private object GetDataFromOleHGLOBAL(string format, DVASPECT aspect)
{
FORMATETC formatEtc = new FORMATETC();
formatEtc.cfFormat = ClipboardFormats.GetFormat(format);
formatEtc.dwAspect = aspect;
formatEtc.lindex = -1;
formatEtc.tymed = TYMED.TYMED_HGLOBAL;
if (_wrapped.QueryGetData(ref formatEtc) == 0)
{
_wrapped.GetData(ref formatEtc, out STGMEDIUM medium);
try
{
if (medium.unionmember != IntPtr.Zero && medium.tymed == TYMED.TYMED_HGLOBAL)
{
if (format == DataFormats.Text)
{
return(ReadStringFromHGlobal(medium.unionmember));
}
if (format == DataFormats.FileNames)
{
return(ReadFileNamesFromHGlobal(medium.unionmember));
}
byte[] data = ReadBytesFromHGlobal(medium.unionmember);
if (IsSerializedObject(data))
{
using (var ms = new MemoryStream(data))
{
ms.Position = DataObject.SerializedObjectGUID.Length;
BinaryFormatter binaryFormatter = new BinaryFormatter();
return(binaryFormatter.Deserialize(ms));
}
}
return(data);
}
}
finally
{
UnmanagedMethods.ReleaseStgMedium(ref medium);
}
}
return(null);
}
