private void createToolStripMenuItem_Click(object sender, EventArgs e)
 {
     if (_unit == null || _unit.IsDisposed == true)
     {
         _unit = new frmUnit();
         _unit.Show();
     }
     _unit.BringToFront();
 }
 private void LnklbUnits_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
 {
     if (_unit == null || _unit.IsDisposed == true)
     {
         _unit = new frmUnit();
         _unit.Show();
     }
     _unit.BringToFront();
 }
        private void LnklbUnits_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
        {
            frmUnit unit = new frmUnit();

            unit.Show();
        }