for (int i = 0; i < this->SM->GetNumberOfSlicers(); i++) {
if (this->SM->GetSlicer(i)->GetCursorVisibility()) {
this->SM->GetSlicer(i)->SetCursorVisibility(0);
for (int i = 0; i < this->SM->GetNumberOfSlicers(); i++) {
if (this->SM->GetSlicer(i)->GetCursorVisibility()) {
this->SM->GetSlicer(i)->SetCursorVisibility(0);