rItem.id = (USHORT)pItem->GetId();
     }
 
-    BYTE*                           pData=NULL;
+    char *pData = NULL;
 
 #if wxUSE_OWNER_DRAWN
     if (pItem->IsOwnerDrawn())
         // Will eventually need to set the image handle somewhere into vItem.hItem
         //
         rItem.afStyle             |= MIS_OWNERDRAW;
-        pData                      = (BYTE*)NULL;
+        pData                      = NULL;
         rItem.hItem                = (HBITMAP)pItem->GetBitmap().GetHBITMAP();
         pItem->m_vMenuData.afStyle = rItem.afStyle;
         pItem->m_vMenuData.hItem   = rItem.hItem;
             //
             rItem.afStyle |= MIS_TEXT;
         }
-        pData = (char*)pItem->GetText().c_str();
+        pData = (char*) pItem->GetText().wx_str();
     }
 
     if (nPos == (size_t)-1)
     {
         if (!rLabel.empty())
         {
-            if (!::WinSetWindowText(hMenu, (PSZ)rLabel.c_str()))
+            if (!::WinSetWindowText(hMenu, rLabel.c_str()))
             {
                 wxLogLastError(wxT("SetMenuTitle"));
             }
             //
             // Modify the title
             //
-            if (!::WinSetWindowText(hMenu, (PSZ)rLabel.c_str()))
+            if (!::WinSetWindowText(hMenu, rLabel.c_str()))
             {
                 wxLogLastError(wxT("SetMenuTitle"));
             }
     //
     if ((m_hMenu =  ::WinCreateWindow( hFrame
                                       ,WC_MENU
-                                      ,(PSZ)NULL
+                                      ,NULL
                                       ,MS_ACTIONBAR | WS_SYNCPAINT | WS_VISIBLE
                                       ,0L
                                       ,0L
 
             (*it)->m_vMenuData.iPosition = (SHORT)i;
 
-            rc = (APIRET)::WinSendMsg(m_hMenu, MM_INSERTITEM, (MPARAM)&(*it)->m_vMenuData, (MPARAM)m_titles[i].c_str());
+            rc = (APIRET)::WinSendMsg(m_hMenu, MM_INSERTITEM, (MPARAM)&(*it)->m_vMenuData, (MPARAM)m_titles[i].wx_str());
             if (rc == (APIRET)MIT_MEMERROR || rc == (APIRET)MIT_ERROR)
             {
                 vError = ::WinGetLastError(vHabmain);
     }
     nId = vItem.id;
 
-    if (::WinSendMsg(GetHmenu(), MM_SETITEMTEXT, MPFROMSHORT(nId), (MPARAM)rLabel.c_str()));
+    if (::WinSendMsg(GetHmenu(), MM_SETITEMTEXT, MPFROMSHORT(nId), (MPARAM)rLabel.wx_str()));
     {
         wxLogLastError(wxT("ModifyMenu"));
     }
     if (IsAttached())
     {
         ::WinSendMsg((HWND)m_hMenu, MM_REMOVEITEM, MPFROM2SHORT(nId, TRUE), (MPARAM)0);
-        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
+        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.wx_str());
 
 #if wxUSE_ACCEL
         if (pMenuOld->HasAccels() || pMenu->HasAccels())
         ::WinSendMsg( (HWND)m_hMenu
                      ,MM_INSERTITEM
                      ,(MPARAM)&pMenu->m_vMenuData
-                     ,(MPARAM)sTitle.c_str()
+                     ,(MPARAM)sTitle.wx_str()
                     );
 #if wxUSE_ACCEL
         if (pMenu->HasAccels())
     if ( IsAttached() )
     {
         pMenu->m_vMenuData.iPosition = MIT_END;
-        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.c_str());
+        ::WinSendMsg((HWND)m_hMenu, MM_INSERTITEM, (MPARAM)&pMenu->m_vMenuData, (MPARAM)sTitle.wx_str());
 #if wxUSE_ACCEL
         if (pMenu->HasAccels())
         {