System.Windows.Forms.Form.ProcessTabKey C# (CSharp) Method

		protected override bool ProcessTabKey(bool forward) {
			bool need_refresh = !show_focus_cues;
			show_focus_cues = true;
			
			bool control_activated = SelectNextControl(ActiveControl, forward, true, true, true);
			
			if (need_refresh && ActiveControl != null)
				ActiveControl.Invalidate ();
				
			return control_activated;
		}