// wxWidgets "Hello world" Program

 // For compilers that support precompilation, includes "wx/wx.h".

 #define __WXMSW__

 #define WXUSINGDLL

 #include <wx/wx.h>

 class MyApp: public wxApp

 {

 public:

 virtual bool OnInit();

 };

 class MyFrame: public wxFrame

 {

 public:

 MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);

 private:

 void OnHello(wxCommandEvent& event);

 void OnExit(wxCommandEvent& event);

 void OnAbout(wxCommandEvent& event);

 wxDECLARE_EVENT_TABLE();

 };

 enum

 {

 ID_Hello =

 };

 wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)

 EVT_MENU(ID_Hello, MyFrame::OnHello)

 EVT_MENU(wxID_EXIT, MyFrame::OnExit)

 EVT_MENU(wxID_ABOUT, MyFrame::OnAbout)

 wxEND_EVENT_TABLE()

 wxIMPLEMENT_APP(MyApp);

 bool MyApp::OnInit()

 {

 MyFrame *frame = new MyFrame( "Hello World", wxPoint(, ), wxSize(, ) );

 frame->Show( true );

 return true;

 }

 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)

 : wxFrame(NULL, wxID_ANY, title, pos, size)

 {

 wxMenu *menuFile = new wxMenu;

 menuFile->Append(ID_Hello, "&Hello...\tCtrl-H",

 "Help string shown in status bar for this menu item");

 menuFile->AppendSeparator();

 menuFile->Append(wxID_EXIT);

 wxMenu *menuHelp = new wxMenu;

 menuHelp->Append(wxID_ABOUT);

 wxMenuBar *menuBar = new wxMenuBar;

 menuBar->Append( menuFile, "&File" );

 menuBar->Append( menuHelp, "&Help" );

 SetMenuBar( menuBar );

 CreateStatusBar();

 SetStatusText( "Welcome to wxWidgets!" );

 }

 void MyFrame::OnExit(wxCommandEvent& event)

 {

 Close( true );

 }

 void MyFrame::OnAbout(wxCommandEvent& event)

 {

 wxMessageBox( "This is a wxWidgets' Hello world sample",

 "About Hello World", wxOK | wxICON_INFORMATION );

 }

 void MyFrame::OnHello(wxCommandEvent& event)

 {

 wxLogMessage("Hello world from wxWidgets!");

 }