fixed memory leak in the sample and simplified wxCheckListBox creation code

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@37528 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/wizard/wizard.cpp

@@ -264,14 +264,27 @@ public:
 
 #if wxUSE_CHECKLISTBOX
         static const wxChar *aszChoices[] =
-            { _T("Zeroth"), _T("First"), _T("Second"), _T("Third"), _T("Fourth"), _T("Fifth"), _T("Sixth"), _T("Seventh"), _T("Eighth"), _T("Nineth") };
-        wxString *astrChoices = new wxString[WXSIZEOF(aszChoices)];
-        unsigned int ui;
-        for ( ui = 0; ui < WXSIZEOF(aszChoices); ui++ )
-            astrChoices[ui] = aszChoices[ui];
+        {
+            _T("Zeroth"),
+            _T("First"),
+            _T("Second"),
+            _T("Third"),
+            _T("Fourth"),
+            _T("Fifth"),
+            _T("Sixth"),
+            _T("Seventh"),
+            _T("Eighth"),
+            _T("Nineth")
+        };
 
-        m_checklistbox = new wxCheckListBox(this, wxID_ANY, wxDefaultPosition, wxSize(100,100),
-            WXSIZEOF(aszChoices), astrChoices);
+        m_checklistbox = new wxCheckListBox
+                             (
+                                this,
+                                wxID_ANY,
+                                wxDefaultPosition,
+                                wxSize(100,100),
+                                wxArrayString(WXSIZEOF(aszChoices), aszChoices)
+                             );
 
         mainSizer->Add(
             m_checklistbox,