diff --git a/samples/widgets/clrpicker.cpp b/samples/widgets/clrpicker.cpp
index bcdfeec931..9a12d39a5f 100644
--- a/samples/widgets/clrpicker.cpp
+++ b/samples/widgets/clrpicker.cpp
@@ -98,7 +98,8 @@ protected:
     // --------------
 
     wxCheckBox *m_chkColourTextCtrl,
-               *m_chkColourShowLabel;
+               *m_chkColourShowLabel,
+               *m_chkColourShowAlpha;
     wxBoxSizer *m_sizer;
 
 private:
@@ -145,6 +146,7 @@ void ColourPickerWidgetsPage::CreateContent()
     wxStaticBoxSizer *clrbox = new wxStaticBoxSizer(wxVERTICAL, this, wxT("&ColourPicker style"));
     m_chkColourTextCtrl = CreateCheckBoxAndAddToSizer(clrbox, wxT("With textctrl"));
     m_chkColourShowLabel = CreateCheckBoxAndAddToSizer(clrbox, wxT("With label"));
+    m_chkColourShowAlpha = CreateCheckBoxAndAddToSizer(clrbox, wxT("With opacity"));
     boxleft->Add(clrbox, 0, wxALL|wxGROW, 5);
 
     boxleft->Add(new wxButton(this, PickerPage_Reset, wxT("&Reset")),
@@ -189,6 +191,9 @@ long ColourPickerWidgetsPage::GetPickerStyle()
     if ( m_chkColourShowLabel->GetValue() )
         style |= wxCLRP_SHOW_LABEL;
 
+    if ( m_chkColourShowAlpha->GetValue() )
+        style |= wxCLRP_SHOW_ALPHA;
+
     return style;
 }
 
@@ -227,7 +232,8 @@ void ColourPickerWidgetsPage::OnColourChange(wxColourPickerEvent& event)
 void ColourPickerWidgetsPage::OnCheckBox(wxCommandEvent &event)
 {
     if (event.GetEventObject() == m_chkColourTextCtrl ||
-        event.GetEventObject() == m_chkColourShowLabel)
+        event.GetEventObject() == m_chkColourShowLabel ||
+        event.GetEventObject() == m_chkColourShowAlpha)
         RecreatePicker();
 }