The Control.Select method activates the control if the control's Selectable style bit is set to true in System.Windows.Forms.ControlStyles, it is contained in another control, and all its parent controls are both visible and enabled.
The Windows Forms controls in the following list are not selectable. Controls derived from controls in the list will also not be selectable.
System.Windows.Forms.LinkLabel (when there is no link present in the control)