private void rules_btn_Click(object sender, EventArgs e) { if (rulesForm == null) { rulesForm = new RulesForm(); rulesForm.FormClosed += RulesForm_FormClosed; } this.Hide(); rulesForm.Show(); }
private void RulesForm_FormClosed(object sender, FormClosedEventArgs e) { rulesForm.FormClosed -= RulesForm_FormClosed; rulesForm = null; }