Прокрутка для TListView или TTreeView

// KEYWORDS:  SendMessage, WM_HSCROLL, WM_VSCROLL
 
// scroll a ListView vertically down
SendMessage(ListView1->Handle, WM_VSCROLL, SB_LINEDOWN, 0);
 
// scroll a TreeView vertically up
SendMessage(TreeView1->Handle, WM_VSCROLL, SB_LINEUP, 0);
 
// Here are some other scroll parameters that can be sent...
 
{
SB_BOTTOM      Scrolls to the lower right.
SB_ENDSCROLL   Ends scroll.
SB_LINEDOWN    Scrolls one line down.
SB_LINEUP      Scrolls one line up.
SB_PAGEDOWN    Scrolls one page down.
SB_PAGEUP      Scrolls one page up.
SB_TOP         Scrolls to the upper left.
}
 

Взято с сайта: https://www.swissdelphicenter.ch