private void viewStatisticsToolStripMenuItem_Click(object sender, EventArgs e) { if (_stats == null) { _stats = new FrmVoteStatistics() { MdiParent = this }; _stats.FormClosed += Stats_FormClosed; _stats.Show(); } else { _stats.Activate(); _stats.WindowState = FormWindowState.Normal; } }
private void Stats_FormClosed(object sender, FormClosedEventArgs e) { _stats = null; }