X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bb0d2f03799ab820de5dce791a17e66089247097..6f02a879ed7efc5fcf6328ff47a1352ec82812b7:/src/msw/treectrl.cpp

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index e0a4d592b3..1a0cf91a88 100644
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -311,6 +311,11 @@ public:
         m_tree = tree;
     }
 
+    // give it a virtual dtor: not really needed as the class is never used
+    // polymorphically and not even allocated on heap at all, but this is safer
+    // (in case it ever is) and silences the compiler warnings for now
+    virtual ~wxTreeTraversal() { }
+
     // do traverse the tree: visit all items (recursively by default) under the
     // given one; return true if all items were traversed or false if the
     // traversal was aborted because OnVisit returned false
@@ -830,9 +835,9 @@ void wxTreeCtrl::SetIndent(unsigned int indent)
 void wxTreeCtrl::SetAnyImageList(wxImageList *imageList, int which)
 {
     // no error return
-    TreeView_SetImageList(GetHwnd(),
-                          imageList ? imageList->GetHIMAGELIST() : 0,
-                          which);
+    (void) TreeView_SetImageList(GetHwnd(),
+                                 imageList ? imageList->GetHIMAGELIST() : 0,
+                                 which);
 }
 
 void wxTreeCtrl::SetImageList(wxImageList *imageList)
@@ -2015,7 +2020,7 @@ wxTreeItemId wxTreeCtrl::DoTreeHitTest(const wxPoint& point, int& flags)
     hitTestInfo.pt.x = (int)point.x;
     hitTestInfo.pt.y = (int)point.y;
 
-    TreeView_HitTest(GetHwnd(), &hitTestInfo);
+    (void) TreeView_HitTest(GetHwnd(), &hitTestInfo);
 
     flags = 0;
 
@@ -2205,12 +2210,12 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
         int x = GET_X_LPARAM(lParam),
             y = GET_Y_LPARAM(lParam);
         HTREEITEM htItem = GetItemFromPoint(GetHwnd(), x, y);
-        
+
         TV_HITTESTINFO tvht;
         tvht.pt.x = x;
         tvht.pt.y = y;
-    
-        TreeView_HitTest(GetHwnd(), &tvht);
+
+        (void) TreeView_HitTest(GetHwnd(), &tvht);
 
         switch ( nMsg )
         {
@@ -2235,7 +2240,7 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
                 {
                     m_htClickedItem = (WXHTREEITEM) htItem;
                     m_ptClick = wxPoint(x, y);
-                    
+
                     if ( wParam & MK_CONTROL )
                     {
                         SetFocus();
@@ -2275,7 +2280,7 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
                     {
                         // avoid doing anything if we click on the only
                         // currently selected item
-                        
+
                         SetFocus();
 
                         wxArrayTreeItemIds selections;
@@ -2329,29 +2334,29 @@ WXLRESULT wxTreeCtrl::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPara
                             tv.hdr.hwndFrom = GetHwnd();
                             tv.hdr.idFrom = ::GetWindowLong( GetHwnd(), GWL_ID );
                             tv.hdr.code = TVN_BEGINDRAG;
-            
+
                             tv.itemNew.hItem = HITEM(m_htClickedItem);
-                            
+
                             TVITEM tviAux;
                             ZeroMemory(&tviAux, sizeof(tviAux));
                             tviAux.hItem = HITEM(m_htClickedItem);
                             tviAux.mask = TVIF_STATE | TVIF_PARAM;
                             tviAux.stateMask = 0xffffffff;
                             TreeView_GetItem( GetHwnd(), &tviAux );
-                            
+
                             tv.itemNew.state = tviAux.state;
                             tv.itemNew.lParam = tviAux.lParam;
-            
+
                             tv.ptDrag.x = x;
                             tv.ptDrag.y = y;
-            
+
                             ::SendMessage( pWnd, WM_NOTIFY, tv.hdr.idFrom, (LPARAM)&tv );
                         }
                         m_htClickedItem.Unset();
                     }
                 }
 #endif // __WXWINCE__
-                
+
                 if ( m_dragImage )
                 {
                     m_dragImage->Move(wxPoint(x, y));
@@ -3147,4 +3152,3 @@ int wxTreeCtrl::GetState(const wxTreeItemId& node)
 }
 
 #endif // wxUSE_TREECTRL
-