private void CommandLineControl_Enter(object sender, EventArgs e) // Received focus
{
QuickSearchPopup = // link to quicksearch control that processes keyboard input
QuickSearchPopup.Initialize(CommandLineControl, CommandLineControl.FindForm(), ContentsTreeCtl);
QuickSearchPopup.StructurePopupEnabled = false; // no structure popup here
QuickSearchPopup.ConsiderShellFocus = false; // need to turn this off
}