private void obračunPlaćeToolStripMenuItem_Click(object sender, EventArgs e) { if (plObracun == null) { plObracun = new Placa_obracun(); plObracun.MdiParent = this; plObracun.FormClosed += plObracun_FormClosed; plObracun.Show(); plObracun.WindowState = FormWindowState.Maximized; } else { plObracun.Activate(); } }
void plObracun_FormClosed(object sender, FormClosedEventArgs e) { plObracun = null; //throw new NotImplementedException(); }