private void cloudy_btn_Click(object sender, EventArgs e) { if (cloudyForm == null) { cloudyForm = new CloudyForm(); cloudyForm.FormClosed += CloudyForm_FormClosed; } this.Cursor = Cursors.WaitCursor; cloudyForm.Show(); this.Hide(); }
private void CloudyForm_FormClosed(object sender, FormClosedEventArgs e) { cloudyForm.FormClosed -= CloudyForm_FormClosed; cloudyForm = null; }