private void authorToolStripMenuItem_Click(object sender, EventArgs e)
{
About about = new About();
about.ShowPanelAboutAuthor();
about.Text = "About author ...";
about.ShowDialog();
}
private void applicationToolStripMenuItem_Click(object sender, EventArgs e)
{
About about = new About();
about.ShowPanelAboutApplication();
about.Text = "About application ...";
about.ShowDialog();
}