when scrolling down (and up) in the user guide:
lyx.exe!std::vector<int,std::allocator<int> >::operator[](unsigned int
_Pos=1680) Line 756 + 0x17 bytes C++
lyx.exe!lyx::BufferView::updateScrollbar() Line 452 + 0x1f bytes C++
lyx.exe!lyx::BufferView::draw(lyx::frontend::Painter & pain={...}) Line 1906
C++
lyx.exe!lyx::frontend::GuiWorkArea::updateScreen() Line 716 C++
lyx.exe!lyx::frontend::GuiWorkArea::redraw() Line 309 C++
lyx.exe!lyx::frontend::WorkAreaManager::redrawAll() Line 37 + 0x1c bytes
C++
lyx.exe!lyx::Buffer::changed() Line 279 C++
lyx.exe!lyx::BufferView::scrollDocView(int value=113820) Line 505 C++
lyx.exe!lyx::frontend::GuiWorkArea::adjustViewWithScrollBar(int action=7) Line
487 C++
