// Dispatch the help event to the relevant window
 bool wxContextHelp::DispatchEvent(wxWindow* win, const wxPoint& pt)
 {
-    wxCHECK_MSG( win, false, _T("win parameter can't be NULL") );
+    wxCHECK_MSG( win, false, wxT("win parameter can't be NULL") );
 
     wxHelpEvent helpEvent(wxEVT_HELP, win->GetId(), pt,
                           wxHelpEvent::Origin_HelpButton);
                                          long style)
 #if defined(__WXPM__)
                    : wxBitmapButton(parent, id, wxBitmap(wxCSQUERY_BITMAP
-                                                         ,wxBITMAP_TYPE_RESOURCE
+                                                         ,wxBITMAP_TYPE_BMP_RESOURCE
                                                         ),
                                     pos, size, style)
 #else
     if ( m_helptextAtPoint != wxDefaultPosition ||
             m_helptextOrigin != wxHelpEvent::Origin_Unknown )
     {
-        wxCHECK_MSG( window, wxEmptyString, _T("window must not be NULL") );
+        wxCHECK_MSG( window, wxEmptyString, wxT("window must not be NULL") );
 
         wxPoint pt = m_helptextAtPoint;
         wxHelpEvent::Origin origin = m_helptextOrigin;
 // Convenience function for turning context id into wxString
 wxString wxContextId(int id)
 {
-    return wxString::Format(_T("%d"), id);
+    return wxString::Format(wxT("%d"), id);
 }
 
 // ----------------------------------------------------------------------------