added Append(wxArrayString) to wxItemContainer (and so to wxChoice, wxComboBox, wxListBox, ...)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13677 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/ctrlsub.h

@@ -44,6 +44,9 @@ public:
     int Append(const wxString& item, wxClientData *clientData)
         { int n = DoAppend(item); SetClientObject(n, clientData); return n; }
 
+    // append several items at once to the control
+    void Append(const wxArrayString& strings);
+
     // deleting items
     // --------------