C# (CSharp) ThreeTierExample StockDetails Examples

Example #1

        private void stockToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (sd == null)
            {
                sd             = new StockDetails();
                sd.MdiParent   = this;
                sd.FormClosed += Sd_FormClosed;
                sd.Show();
            }

            else
            {
                sd.Activate();
            }
        }

Example #2

 private void Sd_FormClosed(object sender, FormClosedEventArgs e)
 {
     sd = null;
     // throw new NotImplementedException();
 }