Disable test for setting the creation time under Unix.

[wxWidgets.git] / samples / layout / layout.cpp

diff --git a/samples/layout/layout.cpp b/samples/layout/layout.cpp
index 606813fc27a1f9cc82b2cd509e5fb7dd3940a630..7cff4c878d31d678dc39f8f413ba2ac92d6b9d56 100644 (file)
--- a/samples/layout/layout.cpp
+++ b/samples/layout/layout.cpp
@@ -7,7 +7,7 @@
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart
 //                  2005 Vadim Zeitlin
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Julian Smart
 //                  2005 Vadim Zeitlin

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 // ----------------------------------------------------------------------------
 /////////////////////////////////////////////////////////////////////////////
 
 // ----------------------------------------------------------------------------


@@ -30,9 +30,16 @@
 #include "wx/statline.h"
 #include "wx/notebook.h"
 #include "wx/spinctrl.h"
 #include "wx/statline.h"
 #include "wx/notebook.h"
 #include "wx/spinctrl.h"

+#include "wx/wrapsizer.h"
+#include "wx/generic/stattextg.h"

 
 #include "layout.h"
 
 
 #include "layout.h"
 

+#ifndef wxHAS_IMAGES_IN_RESOURCES
+    #include "../sample.xpm"
+#endif
+
+

 // ----------------------------------------------------------------------------
 // MyApp
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // MyApp
 // ----------------------------------------------------------------------------


@@ -66,114 +73,122 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
   EVT_MENU(LAYOUT_TEST_GB_SIZER, MyFrame::TestGridBagSizer)
   EVT_MENU(LAYOUT_TEST_SET_MINIMAL, MyFrame::TestSetMinimal)
   EVT_MENU(LAYOUT_TEST_NESTED, MyFrame::TestNested)
   EVT_MENU(LAYOUT_TEST_GB_SIZER, MyFrame::TestGridBagSizer)
   EVT_MENU(LAYOUT_TEST_SET_MINIMAL, MyFrame::TestSetMinimal)
   EVT_MENU(LAYOUT_TEST_NESTED, MyFrame::TestNested)

+  EVT_MENU(LAYOUT_TEST_WRAP, MyFrame::TestWrap)

 END_EVENT_TABLE()
 
 // Define my frame constructor
 MyFrame::MyFrame()
 END_EVENT_TABLE()
 
 // Define my frame constructor
 MyFrame::MyFrame()

-       : wxFrame(NULL, wxID_ANY, _T("wxWidgets Layout Demo"),
-                 wxDefaultPosition, wxDefaultSize,
-                 wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE)
+       : wxFrame(NULL, wxID_ANY, wxT("wxWidgets Layout Demo"))

 {
 {

-  // Make a menubar
-  wxMenu *file_menu = new wxMenu;
+    SetIcon(wxICON(sample));
+
+    // Make a menubar
+    wxMenu *file_menu = new wxMenu;

 
 

-  file_menu->Append(LAYOUT_TEST_PROPORTIONS, _T("&Proportions demo...\tF1"));
-  file_menu->Append(LAYOUT_TEST_SIZER, _T("Test wx&FlexSizer...\tF2"));
-  file_menu->Append(LAYOUT_TEST_NB_SIZER, _T("Test &notebook sizers...\tF3"));
-  file_menu->Append(LAYOUT_TEST_GB_SIZER, _T("Test &gridbag sizer...\tF4"));
-  file_menu->Append(LAYOUT_TEST_SET_MINIMAL, _T("Test Set&ItemMinSize...\tF5"));
-  file_menu->Append(LAYOUT_TEST_NESTED, _T("Test nested sizer in a wxPanel...\tF6"));
+    file_menu->Append(LAYOUT_TEST_PROPORTIONS, wxT("&Proportions demo...\tF1"));
+    file_menu->Append(LAYOUT_TEST_SIZER, wxT("Test wx&FlexSizer...\tF2"));
+    file_menu->Append(LAYOUT_TEST_NB_SIZER, wxT("Test &notebook sizers...\tF3"));
+    file_menu->Append(LAYOUT_TEST_GB_SIZER, wxT("Test &gridbag sizer...\tF4"));
+    file_menu->Append(LAYOUT_TEST_SET_MINIMAL, wxT("Test Set&ItemMinSize...\tF5"));
+    file_menu->Append(LAYOUT_TEST_NESTED, wxT("Test nested sizer in a wxPanel...\tF6"));
+    file_menu->Append(LAYOUT_TEST_WRAP, wxT("Test wrap sizers...\tF7"));

 
 

-  file_menu->AppendSeparator();
-  file_menu->Append(LAYOUT_QUIT, _T("E&xit"), _T("Quit program"));
+    file_menu->AppendSeparator();
+    file_menu->Append(LAYOUT_QUIT, wxT("E&xit"), wxT("Quit program"));

 
 

-  wxMenu *help_menu = new wxMenu;
-  help_menu->Append(LAYOUT_ABOUT, _T("&About"), _T("About layout demo..."));
+    wxMenu *help_menu = new wxMenu;
+    help_menu->Append(LAYOUT_ABOUT, wxT("&About"), wxT("About layout demo..."));

 
 

-  wxMenuBar *menu_bar = new wxMenuBar;
+    wxMenuBar *menu_bar = new wxMenuBar;

 
 

-  menu_bar->Append(file_menu, _T("&File"));
-  menu_bar->Append(help_menu, _T("&Help"));
+    menu_bar->Append(file_menu, wxT("&File"));
+    menu_bar->Append(help_menu, wxT("&Help"));

 
 

-  // Associate the menu bar with the frame
-  SetMenuBar(menu_bar);
+    // Associate the menu bar with the frame
+    SetMenuBar(menu_bar);

 
 #if wxUSE_STATUSBAR
 
 #if wxUSE_STATUSBAR

-  CreateStatusBar(2);
-  SetStatusText(_T("wxWidgets layout demo"));
+    CreateStatusBar(2);
+    SetStatusText(wxT("wxWidgets layout demo"));

 #endif // wxUSE_STATUSBAR
 
 #endif // wxUSE_STATUSBAR
 

-  wxPanel* p = new wxPanel(this, wxID_ANY);
-
-  // we want to get a dialog that is stretchable because it
-  // has a text ctrl in the middle. at the bottom, we have
-  // two buttons which.
+    wxPanel* p = new wxPanel(this, wxID_ANY);

 
 

-  wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );
+    // we want to get a dialog that is stretchable because it
+    // has a text ctrl in the middle. at the bottom, we have
+    // two buttons which.

 
 

-  // 1) top: create wxStaticText with minimum size equal to its default size
-  topsizer->Add(
-    new wxStaticText( p, wxID_ANY, _T("An explanation (wxALIGN_RIGHT).") ),
-    wxSizerFlags().Align(wxALIGN_RIGHT).Border(wxALL & ~wxBOTTOM, 5));
+    wxBoxSizer *topsizer = new wxBoxSizer( wxVERTICAL );

 
 

-  // 2) top: create wxTextCtrl with minimum size (100x60)
-  topsizer->Add(
-    new wxTextCtrl( p, wxID_ANY, _T("My text (wxEXPAND)."), wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
-    wxSizerFlags(1).Expand().Border(wxALL, 5));
+    // 1) top: create wxStaticText with minimum size equal to its default size
+    topsizer->Add(
+        new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_RIGHT).") ),
+        wxSizerFlags().Align(wxALIGN_RIGHT).Border(wxALL & ~wxBOTTOM, 5));
+    topsizer->Add(
+        new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_LEFT).") ),
+        wxSizerFlags().Align(wxALIGN_LEFT).Border(wxALL & ~wxBOTTOM, 5));
+    topsizer->Add(
+        new wxStaticText( p, wxID_ANY, wxT("An explanation (wxALIGN_CENTRE_HORIZONTAL).") ),
+        wxSizerFlags().Align(wxALIGN_CENTRE_HORIZONTAL).Border(wxALL & ~wxBOTTOM, 5));

 
 

-  // 2.5) Gratuitous test of wxStaticBoxSizers
-  wxBoxSizer *statsizer = new wxStaticBoxSizer(
-    new wxStaticBox(p, wxID_ANY, _T("A wxStaticBoxSizer")), wxVERTICAL );
-  statsizer->Add(
-    new wxStaticText(p, wxID_ANY, _T("And some TEXT inside it")),
-    wxSizerFlags().Center().Border(wxALL, 30));
-  topsizer->Add(
-    statsizer,
-    wxSizerFlags(1).Expand().Border(wxALL, 10));
+    // 2) top: create wxTextCtrl with minimum size (100x60)
+    topsizer->Add(
+        new wxTextCtrl( p, wxID_ANY, wxT("My text (wxEXPAND)."), wxDefaultPosition, wxSize(100,60), wxTE_MULTILINE),
+        wxSizerFlags(1).Expand().Border(wxALL, 5));
+
+    // 2.5) Gratuitous test of wxStaticBoxSizers
+    wxBoxSizer *statsizer = new wxStaticBoxSizer(
+        new wxStaticBox(p, wxID_ANY, wxT("A wxStaticBoxSizer")), wxVERTICAL );
+    statsizer->Add(
+        new wxStaticText(p, wxID_ANY, wxT("And some TEXT inside it")),
+        wxSizerFlags().Border(wxALL, 30));
+    topsizer->Add(
+        statsizer,
+        wxSizerFlags(1).Expand().Border(wxALL, 10));

 
     // 2.7) And a test of wxGridSizer
     wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);
 
     // 2.7) And a test of wxGridSizer
     wxGridSizer *gridsizer = new wxGridSizer(2, 5, 5);

-    gridsizer->Add(new wxStaticText(p, wxID_ANY, _T("Label")),
-                   wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
-    gridsizer->Add(new wxTextCtrl(p, wxID_ANY, _T("Grid sizer demo")),
-                   wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
-    gridsizer->Add(new wxStaticText(p, wxID_ANY, _T("Another label")),
-                   wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
-    gridsizer->Add(new wxTextCtrl(p, wxID_ANY, _T("More text")),
-                   wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
-    gridsizer->Add(new wxStaticText(p, wxID_ANY, _T("Final label")),
-                   wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
-    gridsizer->Add(new wxTextCtrl(p, wxID_ANY, _T("And yet more text")),
-                   wxSizerFlags().Align(wxGROW | wxALIGN_CENTER_VERTICAL));
+    gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Label")),
+                wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
+    gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("Grid sizer demo")),
+                wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
+    gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Another label")),
+                wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
+    gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("More text")),
+                wxSizerFlags(1).Align(wxGROW | wxALIGN_CENTER_VERTICAL));
+    gridsizer->Add(new wxStaticText(p, wxID_ANY, wxT("Final label")),
+                wxSizerFlags().Align(wxALIGN_RIGHT | wxALIGN_CENTER_VERTICAL));
+    gridsizer->Add(new wxTextCtrl(p, wxID_ANY, wxT("And yet more text")),
+                wxSizerFlags().Align(wxGROW | wxALIGN_CENTER_VERTICAL));

     topsizer->Add(
         gridsizer,
         wxSizerFlags().Proportion(1).Expand().Border(wxALL, 10));
 
 
 #if wxUSE_STATLINE
     topsizer->Add(
         gridsizer,
         wxSizerFlags().Proportion(1).Expand().Border(wxALL, 10));
 
 
 #if wxUSE_STATLINE

-  // 3) middle: create wxStaticLine with minimum size (3x3)
-  topsizer->Add(
-     new wxStaticLine( p, wxID_ANY, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
-     wxSizerFlags().Expand());
+    // 3) middle: create wxStaticLine with minimum size (3x3)
+    topsizer->Add(
+        new wxStaticLine( p, wxID_ANY, wxDefaultPosition, wxSize(3,3), wxHORIZONTAL),
+        wxSizerFlags().Expand());

 #endif // wxUSE_STATLINE
 
 
 #endif // wxUSE_STATLINE
 
 

-  // 4) bottom: create two centred wxButtons
-  wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
-  button_box->Add(
-     new wxButton( p, wxID_ANY, _T("Two buttons in a box") ),
-     wxSizerFlags().Border(wxALL, 7));
-  button_box->Add(
-     new wxButton( p, wxID_ANY, _T("(wxCENTER)") ),
-     wxSizerFlags().Border(wxALL, 7));
+    // 4) bottom: create two centred wxButtons
+    wxBoxSizer *button_box = new wxBoxSizer( wxHORIZONTAL );
+    button_box->Add(
+        new wxButton( p, wxID_ANY, wxT("Two buttons in a box") ),
+        wxSizerFlags().Border(wxALL, 7));
+    button_box->Add(
+        new wxButton( p, wxID_ANY, wxT("(wxCENTER)") ),
+        wxSizerFlags().Border(wxALL, 7));

 
 

-  topsizer->Add(button_box, wxSizerFlags().Center());
+    topsizer->Add(button_box, wxSizerFlags().Center());

 
 

-  p->SetSizer( topsizer );
+    p->SetSizer( topsizer );

 
 

-  // don't allow frame to get smaller than what the sizers tell it and also set
-  // the initial size as calculated by the sizers
-  topsizer->SetSizeHints( this );
+    // don't allow frame to get smaller than what the sizers tell it and also set
+    // the initial size as calculated by the sizers
+    topsizer->SetSizeHints( this );

 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 }
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))


@@ -188,41 +203,41 @@ void MyFrame::TestProportions(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::TestFlexSizers(wxCommandEvent& WXUNUSED(event) )
 {
 
 void MyFrame::TestFlexSizers(wxCommandEvent& WXUNUSED(event) )
 {

-    MyFlexSizerFrame *newFrame = new MyFlexSizerFrame(_T("Flex Sizer Test Frame"), 50, 50);
-    newFrame->Show(true);
+    (new MyFlexSizerFrame(this))->Show();

 }
 
 void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
 {
 }
 
 void MyFrame::TestNotebookSizers(wxCommandEvent& WXUNUSED(event) )
 {

-    MySizerDialog dialog( this, _T("Notebook Sizer Test Dialog") );
+    MySizerDialog dialog( this, wxT("Notebook Sizer Test Dialog") );

 
     dialog.ShowModal();
 }
 
 void MyFrame::TestSetMinimal(wxCommandEvent& WXUNUSED(event) )
 {
 
     dialog.ShowModal();
 }
 
 void MyFrame::TestSetMinimal(wxCommandEvent& WXUNUSED(event) )
 {

-    MySimpleSizerFrame *newFrame = new MySimpleSizerFrame(_T("Simple Sizer Test Frame"), 50, 50);
-    newFrame->Show(true);
+    (new MySimpleSizerFrame(this))->Show();

 }
 
 void MyFrame::TestNested(wxCommandEvent& WXUNUSED(event) )
 {
 }
 
 void MyFrame::TestNested(wxCommandEvent& WXUNUSED(event) )
 {

-    MyNestedSizerFrame *newFrame = new MyNestedSizerFrame(_T("Nested Sizer Test Frame"), 50, 50);
-    newFrame->Show(true);
+    (new MyNestedSizerFrame(this))->Show();
+}
+
+void MyFrame::TestWrap(wxCommandEvent& WXUNUSED(event) )
+{
+    (new MyWrapSizerFrame(this))->Show();

 }
 
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 {
 }
 
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 {

-    (void)wxMessageBox(_T("wxWidgets GUI library layout demo\n"),
-            _T("About Layout Demo"), wxOK|wxICON_INFORMATION);
+    (void)wxMessageBox(wxT("wxWidgets GUI library layout demo\n"),
+            wxT("About Layout Demo"), wxOK|wxICON_INFORMATION);

 }
 
 void MyFrame::TestGridBagSizer(wxCommandEvent& WXUNUSED(event) )
 {
 }
 
 void MyFrame::TestGridBagSizer(wxCommandEvent& WXUNUSED(event) )
 {

-    MyGridBagSizerFrame *newFrame = new
-        MyGridBagSizerFrame(_T("wxGridBagSizer Test Frame"), 50, 50);
-    newFrame->Show(true);
+    (new MyGridBagSizerFrame(this))->Show();

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -230,7 +245,7 @@ void MyFrame::TestGridBagSizer(wxCommandEvent& WXUNUSED(event) )
 // ----------------------------------------------------------------------------
 
 MyProportionsFrame::MyProportionsFrame(wxFrame *parent)
 // ----------------------------------------------------------------------------
 
 MyProportionsFrame::MyProportionsFrame(wxFrame *parent)

-                  : wxFrame(parent, wxID_ANY, _T("Box Sizer Proportions Demo"))
+                  : wxFrame(parent, wxID_ANY, wxT("Box Sizer Proportions Demo"))

 {
     size_t n;
 
 {
     size_t n;
 


@@ -244,7 +259,7 @@ MyProportionsFrame::MyProportionsFrame(wxFrame *parent)
 
     // lay them out
     m_sizer = new wxStaticBoxSizer(wxHORIZONTAL, panel,
 
     // lay them out
     m_sizer = new wxStaticBoxSizer(wxHORIZONTAL, panel,

-                _T("Try changing elements proportions and resizing the window"));
+                wxT("Try changing elements proportions and resizing the window"));

     for ( n = 0; n < WXSIZEOF(m_spins); n++ )
         m_sizer->Add(m_spins[n], wxSizerFlags().Border());
 
     for ( n = 0; n < WXSIZEOF(m_spins); n++ )
         m_sizer->Add(m_spins[n], wxSizerFlags().Border());
 


@@ -256,9 +271,9 @@ MyProportionsFrame::MyProportionsFrame(wxFrame *parent)
     SetSizerAndFit(sizerTop);
 
     // and connect the events
     SetSizerAndFit(sizerTop);
 
     // and connect the events

-    Connect(wxEVT_COMMAND_TEXT_UPDATED,
+    Connect(wxEVT_TEXT,

                 wxCommandEventHandler(MyProportionsFrame::OnProportionUpdated));
                 wxCommandEventHandler(MyProportionsFrame::OnProportionUpdated));

-    Connect(wxEVT_COMMAND_SPINCTRL_UPDATED,
+    Connect(wxEVT_SPINCTRL,

             wxSpinEventHandler(MyProportionsFrame::OnProportionChanged));
 }
 
             wxSpinEventHandler(MyProportionsFrame::OnProportionChanged));
 }
 


@@ -292,47 +307,47 @@ void MyFlexSizerFrame::InitFlexSizer(wxFlexGridSizer *sizer, wxWindow* parent)
     {
         for ( int j = 0; j < 3; j++ )
         {
     {
         for ( int j = 0; j < 3; j++ )
         {

-            sizer->Add(new wxStaticText
-                           (
-                            parent,
-                            wxID_ANY,
-                            wxString::Format(_T("(%d, %d)"), i + 1, j + 1),
-                            wxDefaultPosition,
-                            wxDefaultSize,
-                            wxALIGN_CENTER
-                           ),
-                       0, wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 3);
+            wxWindow * const cell = new wxGenericStaticText
+                                        (
+                                            parent,
+                                            wxID_ANY,
+                                            wxString::Format("(%d, %d)",
+                                                             i + 1, j + 1)
+                                        );
+            if ( (i + j) % 2 )
+                cell->SetBackgroundColour( *wxLIGHT_GREY );
+            sizer->Add(cell, 0, wxEXPAND | wxALIGN_CENTER_VERTICAL | wxALL, 3);

         }
     }
 }
 
         }
     }
 }
 

-MyFlexSizerFrame::MyFlexSizerFrame(const wxChar *title, int x, int y )
-            : wxFrame(NULL, wxID_ANY, title, wxPoint(x, y) )
+MyFlexSizerFrame::MyFlexSizerFrame(wxFrame* parent)
+            : wxFrame(parent, wxID_ANY, "Flex Sizer Test Frame")

 {
     wxFlexGridSizer *sizerFlex;
     wxPanel* p = new wxPanel(this, wxID_ANY);
 
     // consttuct the first column
     wxSizer *sizerCol1 = new wxBoxSizer(wxVERTICAL);
 {
     wxFlexGridSizer *sizerFlex;
     wxPanel* p = new wxPanel(this, wxID_ANY);
 
     // consttuct the first column
     wxSizer *sizerCol1 = new wxBoxSizer(wxVERTICAL);

-    sizerCol1->Add(new wxStaticText(p, wxID_ANY, _T("Ungrowable:")), 0, wxCENTER | wxTOP, 20);
-    sizerFlex = new wxFlexGridSizer(3, 3);
+    sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Ungrowable:")), 0, wxCENTER | wxTOP, 20);
+    sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));

     InitFlexSizer(sizerFlex, p);
     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 
     InitFlexSizer(sizerFlex, p);
     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 

-    sizerCol1->Add(new wxStaticText(p, wxID_ANY, _T("Growable middle column:")), 0, wxCENTER | wxTOP, 20);
-    sizerFlex = new wxFlexGridSizer(3, 3);
+    sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle column:")), 0, wxCENTER | wxTOP, 20);
+    sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));

     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 
     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 

-    sizerCol1->Add(new wxStaticText(p, wxID_ANY, _T("Growable middle row:")), 0, wxCENTER | wxTOP, 20);
-    sizerFlex = new wxFlexGridSizer(3, 3);
+    sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle row:")), 0, wxCENTER | wxTOP, 20);
+    sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));

     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableRow(1);
     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 
     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableRow(1);
     sizerCol1->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 

-    sizerCol1->Add(new wxStaticText(p, wxID_ANY, _T("All growable columns:")), 0, wxCENTER | wxTOP, 20);
-    sizerFlex = new wxFlexGridSizer(3, 3);
+    sizerCol1->Add(new wxStaticText(p, wxID_ANY, wxT("All growable columns:")), 0, wxCENTER | wxTOP, 20);
+    sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));

     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(0, 1);
     sizerFlex->AddGrowableCol(1, 2);
     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(0, 1);
     sizerFlex->AddGrowableCol(1, 2);


@@ -341,23 +356,23 @@ MyFlexSizerFrame::MyFlexSizerFrame(const wxChar *title, int x, int y )
 
     // the second one
     wxSizer *sizerCol2 = new wxBoxSizer(wxVERTICAL);
 
     // the second one
     wxSizer *sizerCol2 = new wxBoxSizer(wxVERTICAL);

-    sizerCol2->Add(new wxStaticText(p, wxID_ANY, _T("Growable middle row and column:")), 0, wxCENTER | wxTOP, 20);
-    sizerFlex = new wxFlexGridSizer(3, 3);
+    sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Growable middle row and column:")), 0, wxCENTER | wxTOP, 20);
+    sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));

     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerFlex->AddGrowableRow(1);
     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 
     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerFlex->AddGrowableRow(1);
     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 

-    sizerCol2->Add(new wxStaticText(p, wxID_ANY, _T("Same with horz flex direction")), 0, wxCENTER | wxTOP, 20);
-    sizerFlex = new wxFlexGridSizer(3, 3);
+    sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with horz flex direction")), 0, wxCENTER | wxTOP, 20);
+    sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));

     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerFlex->AddGrowableRow(1);
     sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 
     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerFlex->AddGrowableRow(1);
     sizerFlex->SetFlexibleDirection(wxHORIZONTAL);
     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 

-    sizerCol2->Add(new wxStaticText(p, wxID_ANY, _T("Same with grow mode == \"none\"")), 0, wxCENTER | wxTOP, 20);
-    sizerFlex = new wxFlexGridSizer(3, 3);
+    sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with grow mode == \"none\"")), 0, wxCENTER | wxTOP, 20);
+    sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));

     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerFlex->AddGrowableRow(1);
     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerFlex->AddGrowableRow(1);


@@ -365,8 +380,8 @@ MyFlexSizerFrame::MyFlexSizerFrame(const wxChar *title, int x, int y )
     sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_NONE);
     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 
     sizerFlex->SetNonFlexibleGrowMode(wxFLEX_GROWMODE_NONE);
     sizerCol2->Add(sizerFlex, 1, wxALL | wxEXPAND, 10);
 

-    sizerCol2->Add(new wxStaticText(p, wxID_ANY, _T("Same with grow mode == \"all\"")), 0, wxCENTER | wxTOP, 20);
-    sizerFlex = new wxFlexGridSizer(3, 3);
+    sizerCol2->Add(new wxStaticText(p, wxID_ANY, wxT("Same with grow mode == \"all\"")), 0, wxCENTER | wxTOP, 20);
+    sizerFlex = new wxFlexGridSizer(3, 3, wxSize(5, 5));

     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerFlex->AddGrowableRow(1);
     InitFlexSizer(sizerFlex, p);
     sizerFlex->AddGrowableCol(1);
     sizerFlex->AddGrowableRow(1);


@@ -387,7 +402,7 @@ MyFlexSizerFrame::MyFlexSizerFrame(const wxChar *title, int x, int y )
 // MySizerDialog
 // ----------------------------------------------------------------------------
 
 // MySizerDialog
 // ----------------------------------------------------------------------------
 

-MySizerDialog::MySizerDialog(wxWindow *parent, const wxChar *title)
+MySizerDialog::MySizerDialog(wxWindow *parent, const wxString &title)

              : wxDialog(parent, wxID_ANY, wxString(title))
 {
     // Begin with first hierarchy: a notebook at the top and
              : wxDialog(parent, wxID_ANY, wxString(title))
 {
     // Begin with first hierarchy: a notebook at the top and


@@ -398,32 +413,30 @@ MySizerDialog::MySizerDialog(wxWindow *parent, const wxChar *title)
     wxNotebook *notebook = new wxNotebook( this, wxID_ANY );
     topsizer->Add( notebook, 1, wxGROW );
 
     wxNotebook *notebook = new wxNotebook( this, wxID_ANY );
     topsizer->Add( notebook, 1, wxGROW );
 

-    wxButton *button = new wxButton( this, wxID_OK, _T("OK") );
+    wxButton *button = new wxButton( this, wxID_OK, wxT("OK") );

     topsizer->Add( button, 0, wxALIGN_RIGHT | wxALL, 10 );
 
     // First page: one big text ctrl
     topsizer->Add( button, 0, wxALIGN_RIGHT | wxALL, 10 );
 
     // First page: one big text ctrl

-    wxTextCtrl *multi = new wxTextCtrl( notebook, wxID_ANY, _T("TextCtrl."), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
-    notebook->AddPage( multi, _T("Page One") );
+    wxTextCtrl *multi = new wxTextCtrl( notebook, wxID_ANY, wxT("TextCtrl."), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE );
+    notebook->AddPage( multi, wxT("Page One") );

 
     // Second page: a text ctrl and a button
     wxPanel *panel = new wxPanel( notebook, wxID_ANY );
 
     // Second page: a text ctrl and a button
     wxPanel *panel = new wxPanel( notebook, wxID_ANY );

-    notebook->AddPage( panel, _T("Page Two") );
+    notebook->AddPage( panel, wxT("Page Two") );

 
     wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
 
 
     wxSizer *panelsizer = new wxBoxSizer( wxVERTICAL );
 

-    wxTextCtrl *text = new wxTextCtrl( panel, wxID_ANY, _T("TextLine 1."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );
+    wxTextCtrl *text = new wxTextCtrl( panel, wxID_ANY, wxT("TextLine 1."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );

     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );

-    text = new wxTextCtrl( panel, wxID_ANY, _T("TextLine 2."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );
+    text = new wxTextCtrl( panel, wxID_ANY, wxT("TextLine 2."), wxDefaultPosition, wxSize(250,wxDefaultCoord) );

     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );
     panelsizer->Add( text, 0, wxGROW|wxALL, 30 );

-    wxButton *button2 = new wxButton( panel, wxID_ANY, _T("Hallo") );
+    wxButton *button2 = new wxButton( panel, wxID_ANY, wxT("Hallo") );

     panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
 
     panelsizer->Add( button2, 0, wxALIGN_RIGHT | wxLEFT|wxRIGHT|wxBOTTOM, 30 );
 

-    panel->SetAutoLayout( true );

     panel->SetSizer( panelsizer );
 
     // Tell dialog to use sizer
     panel->SetSizer( panelsizer );
 
     // Tell dialog to use sizer

-    SetSizer( topsizer );
-    topsizer->SetSizeHints( this );
+    SetSizerAndFit( topsizer );

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -431,12 +444,12 @@ MySizerDialog::MySizerDialog(wxWindow *parent, const wxChar *title)
 // ----------------------------------------------------------------------------
 
 // some simple macros to help make the sample code below more clear
 // ----------------------------------------------------------------------------
 
 // some simple macros to help make the sample code below more clear

-#define TEXTCTRL(text)   new wxTextCtrl(p, wxID_ANY, _T(text))
-#define MLTEXTCTRL(text) new wxTextCtrl(p, wxID_ANY, _T(text), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE)
+#define TEXTCTRL(text)   new wxTextCtrl(p, wxID_ANY, wxT(text))
+#define MLTEXTCTRL(text) new wxTextCtrl(p, wxID_ANY, wxT(text), wxDefaultPosition, wxDefaultSize, wxTE_MULTILINE)

 #define POS(r, c)        wxGBPosition(r,c)
 #define SPAN(r, c)       wxGBSpan(r,c)
 
 #define POS(r, c)        wxGBPosition(r,c)
 #define SPAN(r, c)       wxGBSpan(r,c)
 

-const wxChar gbsDescription[] =_T("\
+const wxChar gbsDescription[] =wxT("\

 The wxGridBagSizer is similar to the wxFlexGridSizer except the items are explicitly positioned\n\
 in a virtual cell of the layout grid, and column or row spanning is allowed.  For example, this\n\
 static text is positioned at (0,0) and it spans 7 columns.");
 The wxGridBagSizer is similar to the wxFlexGridSizer except the items are explicitly positioned\n\
 in a virtual cell of the layout grid, and column or row spanning is allowed.  For example, this\n\
 static text is positioned at (0,0) and it spans 7 columns.");


@@ -461,8 +474,8 @@ BEGIN_EVENT_TABLE(MyGridBagSizerFrame, wxFrame)
 END_EVENT_TABLE()
 
 
 END_EVENT_TABLE()
 
 

-MyGridBagSizerFrame::MyGridBagSizerFrame(const wxChar *title, int x, int y )
-    : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
+MyGridBagSizerFrame::MyGridBagSizerFrame(wxFrame* parent)
+    : wxFrame(parent, wxID_ANY, "wxGridBagSizer Test Frame")

 {
     wxPanel* p = new wxPanel(this, wxID_ANY);
     m_panel = p;
 {
     wxPanel* p = new wxPanel(this, wxID_ANY);
     m_panel = p;


@@ -489,19 +502,19 @@ MyGridBagSizerFrame::MyGridBagSizerFrame(const wxChar *title, int x, int y )
     //m_gbs->Add( TEXTCTRL("bad position"), POS(5,3) );  // Test for assert
 
 
     //m_gbs->Add( TEXTCTRL("bad position"), POS(5,3) );  // Test for assert
 
 

-    m_moveBtn1 = new wxButton(p, GBS_MOVE_BTN1, _T("Move this to (3,6)"));
-    m_moveBtn2 = new wxButton(p, GBS_MOVE_BTN2, _T("Move this to (3,6)"));
+    m_moveBtn1 = new wxButton(p, GBS_MOVE_BTN1, wxT("Move this to (3,6)"));
+    m_moveBtn2 = new wxButton(p, GBS_MOVE_BTN2, wxT("Move this to (3,6)"));

     m_gbs->Add( m_moveBtn1, POS(10,2) );
     m_gbs->Add( m_moveBtn2, POS(10,3) );
 
     m_gbs->Add( m_moveBtn1, POS(10,2) );
     m_gbs->Add( m_moveBtn2, POS(10,3) );
 

-    m_hideBtn = new wxButton(p, GBS_HIDE_BTN, _T("Hide this item -->"));
+    m_hideBtn = new wxButton(p, GBS_HIDE_BTN, wxT("Hide this item -->"));

     m_gbs->Add(m_hideBtn, POS(12, 3));
 
     m_gbs->Add(m_hideBtn, POS(12, 3));
 

-    m_hideTxt = new wxTextCtrl(p, wxID_ANY, _T("pos(12,4), size(150, wxDefaultCoord)"),
+    m_hideTxt = new wxTextCtrl(p, wxID_ANY, wxT("pos(12,4), size(150, wxDefaultCoord)"),

                                 wxDefaultPosition, wxSize(150,wxDefaultCoord));
     m_gbs->Add( m_hideTxt, POS(12,4) );
 
                                 wxDefaultPosition, wxSize(150,wxDefaultCoord));
     m_gbs->Add( m_hideTxt, POS(12,4) );
 

-    m_showBtn = new wxButton(p, GBS_SHOW_BTN, _T("<-- Show it again"));
+    m_showBtn = new wxButton(p, GBS_SHOW_BTN, wxT("<-- Show it again"));

     m_gbs->Add(m_showBtn, POS(12, 5));
     m_showBtn->Disable();
 
     m_gbs->Add(m_showBtn, POS(12, 5));
     m_showBtn->Disable();
 


@@ -541,20 +554,20 @@ void MyGridBagSizerFrame::OnMoveBtn(wxCommandEvent& event)
     if (curPos == wxGBPosition(3,6))
     {
         m_gbs->SetItemPosition(btn, m_lastPos);
     if (curPos == wxGBPosition(3,6))
     {
         m_gbs->SetItemPosition(btn, m_lastPos);

-        btn->SetLabel(_T("Move this to (3,6)"));
+        btn->SetLabel(wxT("Move this to (3,6)"));

     }
     else
     {
         if ( m_gbs->CheckForIntersection(wxGBPosition(3,6), wxGBSpan(1,1)) )
             wxMessageBox(
     }
     else
     {
         if ( m_gbs->CheckForIntersection(wxGBPosition(3,6), wxGBSpan(1,1)) )
             wxMessageBox(

-_T("wxGridBagSizer will not allow items to be in the same cell as\n\
+wxT("wxGridBagSizer will not allow items to be in the same cell as\n\

 another item, so this operation will fail.  You will also get an assert\n\
 another item, so this operation will fail.  You will also get an assert\n\

-when compiled in debug mode."), _T("Warning"), wxOK | wxICON_INFORMATION);
+when compiled in debug mode."), wxT("Warning"), wxOK | wxICON_INFORMATION);

 
         if ( m_gbs->SetItemPosition(btn, wxGBPosition(3,6)) )
         {
             m_lastPos = curPos;
 
         if ( m_gbs->SetItemPosition(btn, wxGBPosition(3,6)) )
         {
             m_lastPos = curPos;

-            btn->SetLabel(_T("Move it back"));
+            btn->SetLabel(wxT("Move it back"));

         }
     }
     m_gbs->Layout();
         }
     }
     m_gbs->Layout();


@@ -575,16 +588,16 @@ BEGIN_EVENT_TABLE(MySimpleSizerFrame, wxFrame)
     EVT_MENU( ID_SET_BIG, MySimpleSizerFrame::OnSetBigSize)
 END_EVENT_TABLE()
 
     EVT_MENU( ID_SET_BIG, MySimpleSizerFrame::OnSetBigSize)
 END_EVENT_TABLE()
 

-MySimpleSizerFrame::MySimpleSizerFrame(const wxChar *title, int x, int y )
-    : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
+MySimpleSizerFrame::MySimpleSizerFrame(wxFrame* parent)
+    : wxFrame(parent, wxID_ANY, "Simple Sizer Test Frame")

 {
     wxMenu *menu = new wxMenu;
 
 {
     wxMenu *menu = new wxMenu;
 

-    menu->Append(ID_SET_SMALL, _T("Make text control small\tF4"));
-    menu->Append(ID_SET_BIG, _T("Make text control big\tF5"));
+    menu->Append(ID_SET_SMALL, wxT("Make text control small\tF4"));
+    menu->Append(ID_SET_BIG, wxT("Make text control big\tF5"));

 
     wxMenuBar *menu_bar = new wxMenuBar;
 
     wxMenuBar *menu_bar = new wxMenuBar;

-    menu_bar->Append(menu, _T("&File"));
+    menu_bar->Append(menu, wxT("&File"));

 
     SetMenuBar( menu_bar );
 
 
     SetMenuBar( menu_bar );
 


@@ -621,15 +634,15 @@ void MySimpleSizerFrame::OnSetBigSize( wxCommandEvent& WXUNUSED(event))
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 
 

-MyNestedSizerFrame::MyNestedSizerFrame(const wxChar *title, int x, int y )
-    : wxFrame( NULL, wxID_ANY, title, wxPoint(x, y) )
+MyNestedSizerFrame::MyNestedSizerFrame(wxFrame* parent)
+    : wxFrame(parent, wxID_ANY, "Nested Sizer Test Frame")

 {
     wxMenu *menu = new wxMenu;
 
 {
     wxMenu *menu = new wxMenu;
 

-    menu->Append(wxID_ABOUT, _T("Do nothing"));
+    menu->Append(wxID_ABOUT, wxT("Do nothing"));

 
     wxMenuBar *menu_bar = new wxMenuBar;
 
     wxMenuBar *menu_bar = new wxMenuBar;

-    menu_bar->Append(menu, _T("&File"));
+    menu_bar->Append(menu, wxT("&File"));

 
     SetMenuBar( menu_bar );
 
 
     SetMenuBar( menu_bar );
 


@@ -640,7 +653,7 @@ MyNestedSizerFrame::MyNestedSizerFrame(const wxChar *title, int x, int y )
     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 
     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 

-    wxPanel *panel = new wxPanel( this, -1, wxDefaultPosition, wxDefaultSize, 
+    wxPanel *panel = new wxPanel( this, -1, wxDefaultPosition, wxDefaultSize,

                                   wxTAB_TRAVERSAL | wxSUNKEN_BORDER );
     main_sizer->Add( panel, 0, wxALIGN_CENTER );
     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
                                   wxTAB_TRAVERSAL | wxSUNKEN_BORDER );
     main_sizer->Add( panel, 0, wxALIGN_CENTER );
     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );


@@ -648,16 +661,95 @@ MyNestedSizerFrame::MyNestedSizerFrame(const wxChar *title, int x, int y )
     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );
     panel_sizer->Add( new wxStaticText( panel, -1, wxT("Hello inside") ) );

-    
+

     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 
     m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
     main_sizer->Add( m_target, 1, wxALL|wxGROW, 5 );
 
     main_sizer->Add( new wxStaticText( this, -1, wxT("Hello outside") ), 0, wxALIGN_CENTER );
 
     m_target = new wxTextCtrl( this, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( 80, wxDefaultCoord ) );
     main_sizer->Add( m_target, 1, wxALL|wxGROW, 5 );
 

-    SetSizer( main_sizer);
+    SetSizerAndFit( main_sizer);
+}
+
+
+// ----------------------------------------------------------------------------
+// MyWrapSizerFrame
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(MyWrapSizerFrame, wxFrame)
+    EVT_MENU(wxID_ADD, MyWrapSizerFrame::OnAddCheckbox)
+    EVT_MENU(wxID_REMOVE, MyWrapSizerFrame::OnRemoveCheckbox)
+END_EVENT_TABLE()

 
 

+MyWrapSizerFrame::MyWrapSizerFrame(wxFrame* parent)
+    : wxFrame(parent, wxID_ANY, "Wrap Sizer Test Frame",
+              wxDefaultPosition, wxSize(200,-1))
+{
+    wxMenu *menu = new wxMenu;
+
+    menu->Append(wxID_ADD, "&Add a checkbox\tCtrl-+");
+    menu->Append(wxID_REMOVE, "&Remove a checkbox\tCtrl--");
+
+    wxMenuBar *menu_bar = new wxMenuBar;
+    menu_bar->Append(menu, "&Wrap sizer");
+
+    SetMenuBar( menu_bar );
+
+    wxBoxSizer *root = new wxBoxSizer( wxVERTICAL );
+
+    wxStaticBoxSizer *topSizer = new wxStaticBoxSizer( wxVERTICAL, this, "Wrapping check-boxes" );
+    m_checkboxParent = topSizer->GetStaticBox();
+    m_wrapSizer = new wxWrapSizer(wxHORIZONTAL);
+
+    // A number of checkboxes inside a wrap sizer
+    for( int i = 0; i < 6; i++ )
+        DoAddCheckbox();
+
+    topSizer->Add( m_wrapSizer, wxSizerFlags(1).Expand());
+    root->Add( topSizer, wxSizerFlags().Expand().Border());
+
+    // A shaped item inside a box sizer
+    wxSizer *bottomSizer = new wxStaticBoxSizer( wxVERTICAL, this, "With wxSHAPED item" );
+    wxSizer *horzBoxSizer = new wxBoxSizer(wxHORIZONTAL);
+    bottomSizer->Add( horzBoxSizer, 100, wxEXPAND );
+    horzBoxSizer->Add( new wxListBox(this,wxID_ANY,wxPoint(0,0),wxSize(70,70)), 0, wxEXPAND|wxSHAPED );
+    horzBoxSizer->Add( 10,10 );
+    horzBoxSizer->Add( new wxCheckBox(this,wxID_ANY,"A much longer option..."), 100, 0, 5 );
+
+    root->Add( bottomSizer, 1, wxEXPAND | wxALL, 5 );
+
+    // Set sizer for window
+    SetSizerAndFit( root );
+}
+
+void MyWrapSizerFrame::DoAddCheckbox()
+{
+    m_wrapSizer->Add(new wxCheckBox
+                         (
+                            m_checkboxParent,
+                            wxID_ANY,
+                            wxString::Format
+                            (
+                                "Option %d",
+                                (int)m_wrapSizer->GetItemCount() + 1
+                            )
+                         ),
+                     wxSizerFlags().Centre().Border());
+}
+
+void MyWrapSizerFrame::OnAddCheckbox(wxCommandEvent& WXUNUSED(event))
+{
+    DoAddCheckbox();

     Layout();
     Layout();

-    GetSizer()->Fit( this );
-    GetSizer()->SetSizeHints( this );

 }
 
 }
 

+void MyWrapSizerFrame::OnRemoveCheckbox(wxCommandEvent& WXUNUSED(event))
+{
+    if ( m_wrapSizer->IsEmpty() )
+    {
+        wxLogStatus(this, "No more checkboxes to remove.");
+        return;
+    }
+
+    delete m_wrapSizer->GetItem(m_wrapSizer->GetItemCount() - 1)->GetWindow();
+    Layout();
+}