private void eventsByPageToolStripMenuItem_Click(object sender, EventArgs e) { if (this.eventByPageForm == null) { this.eventByPageForm = new EventsByPageForm(); this.eventByPageForm.MdiParent = this; this.eventByPageForm.FormClosed += new FormClosedEventHandler(this.eventbyPageFormm_FormClosed); this.eventByPageForm.Show(); } else { this.eventByPageForm.Activate(); } }
private void eventbyPageFormm_FormClosed(object sender, FormClosedEventArgs e) { this.eventByPageForm = null; }