private void OnVisible(object sender, EventArgs e)
{
if ((_ribbonMaskedTextBox != null) && (_ribbonMaskedTextBox.Ribbon != null))
{
PropertyDescriptor propertyVisible = TypeDescriptor.GetProperties(_ribbonMaskedTextBox)["Visible"];
bool oldValue = (bool)propertyVisible.GetValue(_ribbonMaskedTextBox);
bool newValue = !oldValue;
_changeService.OnComponentChanged(_ribbonMaskedTextBox, null, oldValue, newValue);
propertyVisible.SetValue(_ribbonMaskedTextBox, newValue);
}
}