private void DiaoController_RotationChanged(RadialController sender, RadialControllerRotationChangedEventArgs args) { var selectedTool = _diaoController.Menu.GetSelectedMenuItem(); if (selectedTool == DiaoToolOpacity) { OpacityChanging?.Invoke(sender, args); } if (selectedTool == DiaoToolUndoRedo) { UndoRedo?.Invoke(sender, args); } if (selectedTool == DiaoToolZoom) { Zooming?.Invoke(sender, args); } if (selectedTool == DiaoToolAlignmentGrid) { AlignmentGridChanging?.Invoke(sender, args); } }