void IStream.Clone(out IStream ppstm)
{
SecurityHelper.DemandCompoundFileIOPermission();
UnsafeNativeCompoundFileMethods.UnsafeNativeIStream stream;
_unsafeStream.Clone(out stream);
if (stream != null)
{
ppstm = new SafeIStreamImplementation(stream);
}
else
{
ppstm = null;
}
}
int IStorage.OpenStream(
string pwcsName,
int reserved1,
int grfMode,
int reserved2,
out IStream ppstm )
{
SecurityHelper.DemandCompoundFileIOPermission();
UnsafeNativeCompoundFileMethods.UnsafeNativeIStream stream;
int result;
result = _unsafeStorage.OpenStream(
pwcsName,
reserved1,
grfMode,
reserved2,
out stream);
if (result == SafeNativeCompoundFileConstants.S_OK)
{
ppstm = new SafeIStreamImplementation(stream);
}
else
{
ppstm = null;
}
return result;
}
