private void OnChecked(object sender, EventArgs e)
{
if ((_ribbonCheckBox != null) && (_ribbonCheckBox.Ribbon != null))
{
_changeService.OnComponentChanged(_ribbonCheckBox, null, _ribbonCheckBox.Checked, !_ribbonCheckBox.Checked);
_ribbonCheckBox.Checked = !_ribbonCheckBox.Checked;
}
}