To automatically close the context menu after a set time interval, you can use a Timer and send an Esc keystroke after the desired time interval as shown.
[C#]
private void timer1_Tick(object sender, System.EventArgs e)
{
SendKeys.Send('{ESC}');
timer1.Stop();
}
private void contextMenu1_Popup(object sender, System.EventArgs e)
{
//set interval to 5 seconds
timer1.Interval = 5000;
timer1.Start();
}
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