[RESOLVED] ADO / Cpp msado15.dll performance problem sous Visual Studio 2019 (C++ ET VB)

[Philou06450]

I have try many settings...
//m_strConnection2.Format( "Provider=Microsoft.ACE.OLEDB.12.0; Data Source='%s'; Persist Security Info=False;", strFile2.GetString());
m_strConnection1.Format( "Provider=Microsoft.ACE.OLEDB.16.0;Data Source='%s';Persist Security Info=False;", strFile1.GetString());
and if the string is not ok, i got an exception

The connexion is OK (less than 0.1 ms )