//--------------------------------------------------------------------------------------
void begin()
{
- static size_t aTransactionID = 0;
- static size_t aNbTransactions = -1;
- size_t aNbUndo = ModelAPI_Session::get()->undoList().size();
+ static int aTransactionID = 0;
+ static int aNbTransactions = -1;
+ int aNbUndo = (int)ModelAPI_Session::get()->undoList().size();
if (aNbUndo != aNbTransactions) {
// the last transaction was not empty, thus increase the ID
aNbTransactions = aNbUndo;