ComponentFactory.Krypton.Ribbon.AppButtonController.UpdateTargetState C# (CSharp) Метод

        protected void UpdateTargetState()
        {
            // By default the button is in the normal state
            PaletteState newState = PaletteState.Normal;

            // Only allow another state if the ribbon is enabled
            if (_ribbon.Enabled)
            {
                // Are we showing with the fixed state?
                if (_fixedPressed)
                    newState = PaletteState.Pressed;
                else
                {
                    // If being pressed
                    if (_mouseDown)
                        newState = PaletteState.Pressed;
                    else if (_mouseOver || _hasFocus)
                        newState = PaletteState.Tracking;
                }
            }

            bool needPaint = false;

            // Update all the targets
            if ((_target1 != null) && (_target1.ElementState != newState))
            {
                _target1.ElementState = newState;
                needPaint = true;
            }

            if ((_target2 != null) && (_target2.ElementState != newState))
            {
                _target2.ElementState = newState;
                needPaint = true;
            }

            if ((_target3 != null) && (_target3.ElementState != newState))
            {
                _target3.ElementState = newState;
                needPaint = true;
            }

            if (needPaint)
            {
                if ((_target1 != null) && !_target1.ClientRectangle.IsEmpty)
                    OnNeedPaint(false, _target1.ClientRectangle);

                if ((_target2 != null) && !_target2.ClientRectangle.IsEmpty)
                    OnNeedPaint(false, _target2.ClientRectangle);

                if ((_target3 != null) && !_target3.ClientRectangle.IsEmpty)
                    OnNeedPaint(false, _target3.ClientRectangle);

                // Get the repaint to happen immediately
                Application.DoEvents();
            }
        }