private void SelectDepartmentComboBox_SelectionChangeCommitted(object sender, EventArgs e)
{
ChangeSelected?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// <see cref="Selected"/>が変更された時に実行
/// </summary>
/// <param name="e"><see cref="Selected"/>の変更前後が与えられた<see cref="ToolValueEventArgs{T}"/>のインスタンス</param>
protected virtual void OnChangeSelected(ToolValueEventArgs <bool> e)
{
ChangeSelected?.Invoke(this, e);
}