private void dataLoad_Click(object sender, EventArgs e)
{
RPN_Functions fn = _stopIfRunning();
string name = myRPN.getSD().getFolderName();
openFileDialog2.InitialDirectory = name;
openFileDialog2.FileName = "";
if (openFileDialog2.ShowDialog() == DialogResult.OK)
{
fn.loadData(openFileDialog2.FileName);
}
timer1.Enabled = true;
}