This message ensures that a list-view item is entirely or at least partially visible, scrolling the list-view control if necessary. You can send this message explicitly or by using the ListView_EnsureVisible macro.
LVM_ENSUREVISIBLE wParam = (WPARAM)(int) i;
lParam = (LPARAM)(BOOL) fPartialOK;
Index of the list-view item.
Boolean that specifies whether the item must be entirely visible. If set to TRUE, no scrolling occurs if the item is at least partially visible.
TRUE indicates success. FALSE indicates failure.