private void frmHelp_Disposed(object sender, EventArgs e) { frmHelp = null; }
private void showHelpToolStripMenuItem_Click(object sender, EventArgs e) { if (showHelpToolStripMenuItem.Checked || tsBtnShowHelp.Checked) { showHelpToolStripMenuItem.Checked = false; tsBtnShowHelp.Checked = false; if (frmHelp != null) frmHelp.Hide(); } else { showHelpToolStripMenuItem.Checked = true; tsBtnShowHelp.Checked = true; if (frmHelp == null) { frmHelp = new HelpForm(); frmHelp.FormClosed += new FormClosedEventHandler(frmHelp_FormClosed); frmHelp.Disposed += new EventHandler(frmHelp_Disposed); } Point point = new Point(); point.X = Location.X + Width; point.Y = Location.Y; frmHelp.Location = point; frmHelp.Show(); } }