public HRESULT SetBlob(Guid guidKey, byte[] pBuf, int cbBufSize)
{
var hr = _type.SetBlob(guidKey, pBuf, cbBufSize);
Trace("key: " + guidKey.ToName() + " buf: " + Conversions.ToHexa(pBuf, 64) + " size: " + cbBufSize + " hr: " + hr);
return(hr);
}