GotFocus event calling repeatedly. Any way to avoid it from being repeat and execute the event only-CodePudding

All this events when I click with the mouse on this controls to get focus, will repeatedly get the focus when the mouse is on the control.

Is there a way to make that in each of the Gotfocus events it will not repeat ?

private void MacTrackBar4_GotFocus(object sender, EventArgs e)
{
    timer1.Enabled = false;
    counter = 0;
}

private void MacTrackBar3_GotFocus(object sender, EventArgs e)
{
    timer1.Enabled = false;
    counter = 0;

    if (selected != null)
    {
        pictureBox1.Image?.Dispose();
        pictureBox1.Image = Image.FromFile(selected[macTrackBar3.Value - 1]);
    }
}

private void MacTrackBar2_GotFocus(object sender, EventArgs e)
{
    if (images != null)
    {
        pictureBox1.Image?.Dispose();
        pictureBox1.Image = Image.FromFile(images[macTrackBar2.Value]);
    }
}

private void MacTrackBar1_GotFocus(object sender, EventArgs e)
{
    if (images != null)
    {
        pictureBox1.Image?.Dispose();
        pictureBox1.Image = Image.FromFile(images[macTrackBar1.Value]);
    }
}

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