private void quoteDataDailyToolStripMenuItem_Click(object sender, EventArgs e) { if (dailyQuoteForm == null) { dailyQuoteForm = new DailyQuoteForm(); this.IsMdiContainer = true; dailyQuoteForm.MdiParent = this; MainPanel.Visible = false; dailyQuoteForm.FormClosed += DailyQuoteForm_FormClosed; dailyQuoteForm.Show(); } else { dailyQuoteForm.Activate(); } }
private void DailyQuoteForm_FormClosed(object sender, FormClosedEventArgs e) { dailyQuoteForm = null; }