Remove the CFWL_EventType::DrawItem

xfa/fwl/core/ifwl_listbox.cpp

Index: xfa/fwl/core/ifwl_listbox.cpp
diff --git a/xfa/fwl/core/ifwl_listbox.cpp b/xfa/fwl/core/ifwl_listbox.cpp
index 1f5a50c4c899926099b0f518a08cd898fb1351cb..4a8f9395b6f3388ed81c1c453d519370ad4a1fee 100644
--- a/xfa/fwl/core/ifwl_listbox.cpp
+++ b/xfa/fwl/core/ifwl_listbox.cpp
@@ -510,17 +510,8 @@ void IFWL_ListBox::DrawItems(CFX_Graphics* pGraphics,
     if (bMultiCol && rtItem.left > m_rtConent.right())
       break;
 
-    if (GetStylesEx() & FWL_STYLEEXT_LTB_OwnerDraw) {
-      CFWL_EvtLtbDrawItem ev;
-      ev.m_pSrcTarget = this;
-      ev.m_pGraphics = pGraphics;
-      ev.m_matrix = *pMatrix;
-      ev.m_index = i;
-      ev.m_rect = rtItem;
-      DispatchEvent(&ev);
-    } else {
+    if (!(GetStylesEx() & FWL_STYLEEXT_LTB_OwnerDraw))
       DrawItem(pGraphics, pTheme, pItem, i, rtItem, pMatrix);
-    }
   }
 }