Index: xfa/fwl/core/ifwl_listbox.cpp |
diff --git a/xfa/fwl/core/ifwl_listbox.cpp b/xfa/fwl/core/ifwl_listbox.cpp |
index 05cc64bb90ebbfc1a4a48031c3ac8eb5d2d17c03..7cd4c53ff313067692173801556cbb32b28fbdda 100644 |
--- a/xfa/fwl/core/ifwl_listbox.cpp |
+++ b/xfa/fwl/core/ifwl_listbox.cpp |
@@ -1075,12 +1075,8 @@ void CFWL_ListBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) { |
} |
void CFWL_ListBoxImpDelegate::OnMouseWheel(CFWL_MsgMouseWheel* pMsg) { |
- if (!m_pOwner->IsShowScrollBar(TRUE)) { |
- return; |
- } |
- IFWL_WidgetDelegate* pDelegate = |
- m_pOwner->m_pVertScrollBar->SetDelegate(nullptr); |
- pDelegate->OnProcessMessage(pMsg); |
+ if (m_pOwner->IsShowScrollBar(TRUE)) |
+ m_pOwner->m_pVertScrollBar->GetCurrentDelegate()->OnProcessMessage(pMsg); |
} |
void CFWL_ListBoxImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) { |