private static int CopyTo(IntPtr @this, IStream pstm, long cb, IntPtr pcbRead, IntPtr pcbWritten)
{
#if MAP_EX_TO_HR
try
{
#endif
GetObject(@this).managedInterface.CopyTo(pstm, cb, pcbRead, pcbWritten);
return S_OK;
#if MAP_EX_TO_HR
}
catch (Exception e)
{
return GetHRForException(e);
}
#endif
}