src/java.desktop/windows/native/libawt/windows/awt_List.cpp

*** 476,497 ****
  }
  
  MsgRouting AwtList::HandleEvent(MSG *msg, BOOL synthetic)
  {
      if (IsFocusingMouseMessage(msg)) {
          LONG item = static_cast<LONG>(SendListMessage(LB_ITEMFROMPOINT, 0, msg->lParam));
!         if (item != LB_ERR) {
              if (isMultiSelect) {
                  if (IsItemSelected(item)) {
                      Deselect(item);
                  } else {
                      Select(item);
                  }
              } else {
                  Select(item);
              }
          }
          delete msg;
          return mrConsume;
      }
      if (msg->message == WM_KEYDOWN && msg->wParam == VK_RETURN) {
          WmNotify(LBN_DBLCLK);
--- 476,502 ----
  }
  
  MsgRouting AwtList::HandleEvent(MSG *msg, BOOL synthetic)
  {
      if (IsFocusingMouseMessage(msg)) {
+         LONG count = GetCount();
+         if (count > 0) {
              LONG item = static_cast<LONG>(SendListMessage(LB_ITEMFROMPOINT, 0, msg->lParam));
!             if (HIWORD(item) == 0) {
!                 if (item >= 0 && item < count) {
                      if (isMultiSelect) {
                          if (IsItemSelected(item)) {
                              Deselect(item);
                          } else {
                              Select(item);
                          }
                      } else {
                          Select(item);
                      }
                  }
+             }
+         }
          delete msg;
          return mrConsume;
      }
      if (msg->message == WM_KEYDOWN && msg->wParam == VK_RETURN) {
          WmNotify(LBN_DBLCLK);