private void OpenConnection(object obj)
{
ConnectionOpenedDelegate res = (ConnectionOpenedDelegate)obj;
bool r;
string erMsg;
try
{
if (cn.State != ConnectionState.Open)
{
cn.Open();
}
r = true;
erMsg = "";
}
catch (Exception ex)
{
r = false;
erMsg = ex.ToString();
}
res(cn, r, erMsg);
}
public void DoOpen(ConnectionOpenedDelegate res)
{
thr = new Thread(OpenConnection);
thr.Start(res);
}