Panel1.autoscrollposition not working on load events

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C#

What my code should do: Inside a panel1, I put many linklabels , and I want when the program starts, to jump to last linklabel used/clicked. For that i use

panel1.AutoScrollPosition = new Point(0, 2000);

I tried 3 events where i put my code to execute, and only in the button event it executes. In the Form1() and Form1_Load event my code is not executing at all, and i tried diferent debuging techniques i know under my sleeves.

What I have tried:

        public Form1()
        {
            InitializeComponent();

//.................................
                for (int i = 0; i < line.Length; i++)
                {
                    LinkLabel linklabel = new LinkLabel();
                    linklabel.Location = new Point(0, 22 * (i + 1));
                    panel1.Controls.Add(linklabel); 
//.................................
                }

            //scroll to last position:
            panel1.AutoScrollPosition = new Point(0, 2000);
            Refresh();
            button1.PerformClick();
            Application.DoEvents();
        }

private void Form1_Load(object sender, EventArgs e)
{
    panel1.AutoScrollPosition = new Point(0, 2000);
    Refresh();
    button1.PerformClick();
    Application.DoEvents();
}

private void button1_Click(object sender, EventArgs e)
{
    panel1.AutoScrollPosition = new Point(0, 2000); //only here is working !
}