private void btn_new_Click(object sender, EventArgs e) { PettyCash pc = new PettyCash(); pc.FormClosing += CloseNewPettyCashItem; pc.ShowDialog(); }
private void btn_new_Click(object sender, EventArgs e) { Form fm = Application.OpenForms["PettyCash"]; if (fm != null) { if (fm.WindowState == FormWindowState.Minimized) { fm.WindowState = FormWindowState.Normal; } fm.BringToFront(); } else { PettyCash pc = new PettyCash(); pc.Show(); } }