OpenTween.TweenMain._hookGlobalHotkey_HotkeyPressed C# (CSharp) Method

        private void _hookGlobalHotkey_HotkeyPressed(object sender, KeyEventArgs e)
        {
            if ((this.WindowState == FormWindowState.Normal || this.WindowState == FormWindowState.Maximized) && this.Visible && Form.ActiveForm == this)
            {
                //アイコン化
                this.Visible = false;
            }
            else if (Form.ActiveForm == null)
            {
                this.Visible = true;
                if (this.WindowState == FormWindowState.Minimized) this.WindowState = FormWindowState.Normal;
                this.Activate();
                this.BringToFront();
                this.StatusText.Focus();
            }
        }