private void eventsByCategoryAndTownToolStripMenuItem_Click(object sender, EventArgs e) { if (this.selectEventsByCategoryAndTownForm == null) { this.selectEventsByCategoryAndTownForm = new SelectEventByCategoryAndTownForm(); this.selectEventsByCategoryAndTownForm.MdiParent = this; this.selectEventsByCategoryAndTownForm.FormClosed += new FormClosedEventHandler(this.selectEventsByCategoryAndTown_FormClosed); this.selectEventsByCategoryAndTownForm.Show(); } else { this.selectEventsByCategoryAndTownForm.Activate(); } }
private void selectEventsByCategoryAndTown_FormClosed(object sender, FormClosedEventArgs e) { this.selectEventsByCategoryAndTownForm = null; }