{
Handle(TDF_Attribute) TDFAttribute = Attribute();
- Handle(TDataStd_ByteArray) BackAtt = (*((Handle(TDataStd_ByteArray)*)&TDFAttribute));
+ Handle(TDataStd_ByteArray) BackAtt = Handle(TDataStd_ByteArray)::DownCast (TDFAttribute);
if(BackAtt.IsNull()) {
#ifdef OCCT_DEBUG
cout << "DeltaOnModificationOfByteArray::Apply: OldAtt is Null" <<endl;