private void إضافةمقصجديدToolStripMenuItem_Click(object sender, EventArgs e)
 {
     using (addnewcutterform myform = new addnewcutterform())
     {
         myform.ShowDialog();
     }
 }
 private void new_cutter_btn_Click(object sender, EventArgs e)
 {
     this.Hide();
     using (addnewcutterform myform = new addnewcutterform())
     {
         myform.ShowDialog();
     }
     this.Close();
 }