HWND hLstWnd; //ListWiew句柄

............

RECT tRect;

tRect.top=0;

tRect.left=LVIR_LABEL;

SendMessage(hLstWnd,LVM_GETSUBITEMRECT,0,(LPARAM)&tRect); //取一个子项目的Rect

int tNum=SendMessage(hLstWnd,LVM_GETITEMCOUNT,0,0); //取总项目数

SendMessage(hLstWnd,LVM_SCROLL,0,(tRect.bottom-tRect.top)*tNum); //滚动滚动条