Bloom.ToPalaso.BetterToolTip.SetToolTipWhenDisabled C# (CSharp) Method

        public void SetToolTipWhenDisabled(Control control, string value)
        {
            if (control == null)
            {
                throw new ArgumentNullException("control");
            }

            UpdateAllControlsList(control, value);

            if (!String.IsNullOrEmpty(value))
            {
                _toolTipWhenDisabled[control] = value;
                if (!control.Enabled)
                {
                    // When the control is disabled at design time, the EnabledChanged
                    // event won't fire. So, on the first Paint event, we should call
                    // PutOnBetterTooltipTransparentOverlay().
                    _paintEventHandlers.Add(control, new PaintEventHandler(control_Paint));
                    control.Paint += _paintEventHandlers[control];
                }
                _controlEnabledChangedHandlers.Add(control, new EventHandler(control_EnabledChanged));
                control.EnabledChanged += _controlEnabledChangedHandlers[control];
            }
            else
            {
                _toolTipWhenDisabled.Remove(control);
                control.EnabledChanged -= _controlEnabledChangedHandlers[control];
                _controlEnabledChangedHandlers.Remove(control);
                _paintEventHandlers.Remove(control);
            }
        }