private void greenToolStripMenuItem_Click(object sender, EventArgs e) { if (GTForm == null) { GTForm = new GreenTurtleForm(); GTForm.MdiParent = this; GTForm.FormClosed += GTForm_FormClosed; GTForm.Show(); } else { GTForm.Activate(); } }
private void GTForm_FormClosed(object sender, FormClosedEventArgs e) { GTForm = null; }