private void ОМетодеToolStripMenuItem_Click(object sender, EventArgs e)
{
AboutAddMod f8 = new AboutAddMod();
f8.ShowDialog();
}
private void АддитивнаяМодельToolStripMenuItem1_Click(object sender, EventArgs e)
{
AboutAddMod f9 = new AboutAddMod();
f9.ShowDialog();
}