private void Manual1_L_Click(object sender, EventArgs e)
{
Manual0.Show();
Manual0_R.Show();
Manual1.Hide();
Manual1_L.Hide();
Manual1_R.Hide();
}
public Form3()
{
this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen; // 시작위치 중앙
InitializeComponent();
Manual0.Show();
Manual0_R.Show();
Manual1.Hide();
Manual1_L.Hide();
Manual1_R.Hide();
Manual2.Hide();
Manual2_L.Hide();
Manual2_R.Hide();
Manual3.Hide();
Manual3_L.Hide();
Manual3_R.Hide();
Manual4.Hide();
Manual4_L.Hide();
Manual4_R.Hide();
Manual5.Hide();
Manual5_L.Hide();
Manual5_R.Hide();
Manual6.Hide();
Manual6_L.Hide();
Manual6_R.Hide();
Manual7.Hide();
Manual7_L.Hide();
Manual7_R.Hide();
Manual8.Hide();
Manual8_L.Hide();
}