private void cmbShaftGrade_SelectedIndexChanged(object sender, EventArgs e)
{
double d = double.Parse(txtDf.Text);
int shaftgrade = int.Parse(cmbShaftGrade.Text);
InterferenceTolerance it = new InterferenceTolerance();
txtShaftTolerance.Text = (it.getStandardOfTolerance(d, shaftgrade) / 1000).ToString("f4");
}
private void cmbFit_SelectedIndexChanged(object sender, EventArgs e)
{
double d = double.Parse(txtDf.Text);
string str = cmbFit.Text;
InterferenceTolerance it = new InterferenceTolerance();
txtDeviation.Text = (it.getTolerance(d, str) / 1000).ToString("f4");
}
