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c# - Change SelectedTab of TabControl on MouseOver

I have a Windows Forms project with a TabControl.

Does anyone know how to change the SelectedTab when you hover over it with the pointer?

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You can use TabControl's MouseMove event to detect whether your mouse is present on any tab and then can select it:

private void tabControl1_MouseMove(object sender, MouseEventArgs e)
{
    Rectangle mouseRect = new Rectangle(e.X, e.Y, 1, 1);
    for (int i = 0; i < tabControl1.TabCount; i++)
    {
        if (tabControl1.GetTabRect(i).IntersectsWith(mouseRect))
        {
            tabControl1.SelectedIndex = i;
            break;
        }
    }
}

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