private void addPartToolStripMenuItem_Click(object sender, EventArgs e)
{
frmAddPart addPart = new frmAddPart(this);
addPart.StartPosition = FormStartPosition.CenterScreen;
addPart.Show();
this.Hide();
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
frmMainMenu MainMenu = new frmMainMenu();
MainMenu.StartPosition = FormStartPosition.CenterScreen;
frmAddPart addPart = new frmAddPart();
Application.Run(MainMenu);
}