/// <summary>
/// Invoked on CanMoveToPrevious changed.
/// </summary>
/// <param name="sender">The sender</param>
/// <param name="e">The event args</param>
protected virtual void OnCanMoveToPreviousChanged(object sender, CanMoveToEventArgs e)
{
moveToFirstCommand?.RaiseCanExecuteChanged();
moveToPreviousCommand?.RaiseCanExecuteChanged();
}
/// <summary>
/// Invoked on CanMoveToNext changed.
/// </summary>
/// <param name="sender">The sender</param>
/// <param name="e">The event args</param>
protected virtual void OnCanMoveToNextChanged(object sender, CanMoveToEventArgs e)
{
moveToLastCommand?.RaiseCanExecuteChanged();
moveToNextCommand?.RaiseCanExecuteChanged();
}