public void Kc(int kc_num1)
{
kc_num1 = comboBoxMomentDiag_kc.SelectedIndex;
Kc en = new Kc(kc_num1);
MessageBox.Show(" Kc moment diagram number = " + kc_num1.ToString() + "");
}
private void PictMD_Kc_TSMI_Click_1(object sender, EventArgs e)
{
Kc i = new Kc(comboBoxMomentDiag_kc.SelectedIndex);
i.ShowDialog();
}