diff --git a/samples/html/widget/widget.cpp b/samples/html/widget/widget.cpp
index 54489fd12c..697edfc3f3 100644
--- a/samples/html/widget/widget.cpp
+++ b/samples/html/widget/widget.cpp
@@ -50,14 +50,14 @@ TAG_HANDLER_PROC(tag)
 
     if (tag.HasParam(wxT("FLOAT"))) fl = ax;
 
-    wnd = new wxTextCtrl(m_WParser->GetWindow(), -1, tag.GetParam(wxT("NAME")),
+    wnd = new wxTextCtrl(m_WParser->GetWindow(), wxID_ANY, tag.GetParam(wxT("NAME")),
         wxPoint(0,0), wxSize(ax, ay), wxTE_MULTILINE);
 
-    wnd->Show(TRUE);
+    wnd->Show(true);
 
     m_WParser->GetContainer()->InsertCell(new wxHtmlWidgetCell(wnd, fl));
 
-    return FALSE;
+    return false;
 }
 
 TAG_HANDLER_END(MYBIND)
@@ -158,13 +158,13 @@ bool MyApp::OnInit()
 
     // Show it and tell the application that it's our main window
     // @@@ what does it do exactly, in fact? is it necessary here?
-    frame->Show(TRUE);
+    frame->Show(true);
     SetTopWindow(frame);
 
     // success: wxApp::OnRun() will be called which will enter the main message
-    // loop and the application will run. If we returned FALSE here, the
+    // loop and the application will run. If we returned false here, the
     // application would exit immediately.
-    return TRUE;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -175,7 +175,7 @@ wxHtmlWindow *html;
 
 // frame constructor
 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
-: wxFrame((wxFrame *)NULL, -1, title, pos, size)
+: wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
 {
     // create a menu bar
     wxMenu *menuFile = new wxMenu;
@@ -206,8 +206,8 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {
-    // TRUE is to force the frame to close
-    Close(TRUE);
+    // true is to force the frame to close
+    Close(true);
 }
 
 void MyFrame::OnBack(wxCommandEvent& WXUNUSED(event))