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  base.cpp

  #include <wx/wxprec.h>
  #ifndef WX_PRECOMP
  #include <wx/wx.h>
  #endif
  #include <wx/filedlg.h>
  #include "base.h"
 
  BEGIN_EVENT_TABLE ( MainFrame, wxFrame )
  EVT_MENU(MENU_New, MainFrame::NewFile)
  EVT_MENU(MENU_Open, MainFrame::OpenFile)
  EVT_MENU(MENU_Close, MainFrame::CloseFile)
  EVT_MENU(MENU_Save, MainFrame::SaveFile)
  EVT_MENU(MENU_SaveAs, MainFrame::SaveFileAs)
  EVT_MENU(MENU_Quit, MainFrame::Quit)
  EVT_MENU(MENU_Admin,MainFrame::Admin)
  END_EVENT_TABLE()
  
 
  IMPLEMENT_APP(MainApp) 
  bool MainApp::OnInit()
  {
    MainFrame *MainWin = new MainFrame(wxT("Hello World!"), wxPoint(1,1),
    wxSize(300, 200)); // Create an instance of our frame, or window
    MainWin->Show(TRUE); // show the window
    SetTopWindow(MainWin);// and finally, set it as the main window
 
    return TRUE;
  }
 
  MainFrame::MainFrame(const wxString& title,
    const wxPoint& pos, const wxSize& size)
      : wxFrame((wxFrame *) NULL, -1, title, pos, size)
  {
    CreateStatusBar(2);
    MainMenu = new wxMenuBar();
    wxMenu *FileMenu = new wxMenu();
 
    FileMenu->Append(MENU_New, wxT("&New"),
      wxT("Create a new file"));
    FileMenu->Append(MENU_Open, wxT("&Open"),
      wxT("Open an existing file"));
    FileMenu->Append(MENU_Close, wxT("&Close"),
      wxT("Close the current document"));
    FileMenu->Append(MENU_Save, wxT("&Save"),
      wxT("Save the current document"));
    FileMenu->Append(MENU_SaveAs, wxT("Save &As"),
      wxT("Save the current document under a new file name"));
    FileMenu->Append(MENU_Quit, wxT("&Quit"),
      wxT("Quit the editor"));
 
    MainMenu->Append(FileMenu, wxT("File"));
    SetMenuBar(MainMenu);
 
    MainEditBox = new wxTextCtrl(this, TEXT_Main,
      wxT("Hi!"), wxDefaultPosition, wxDefaultSize,
      wxTE_MULTILINE | wxTE_RICH , wxDefaultValidator, wxTextCtrlNameStr);
      Maximize();
  }
 
  void MainFrame::NewFile(wxCommandEvent& WXUNUSED(event))
  {
  }
 
  void MainFrame::OpenFile(wxCommandEvent& WXUNUSED(event))
  {
  if(WxOpenFileDialog1->ShowModal())
{
MainEditBox->LoadFile(WxOpenFileDialog1->GetPath());
}
  }
 
  void MainFrame::CloseFile(wxCommandEvent& WXUNUSED(event))
  {
    MainEditBox->Clear();
  }
 
  void MainFrame::SaveFile(wxCommandEvent& WXUNUSED(event))
  {
    MainEditBox->SaveFile(wxT("base.h"));
  }
 
  void MainFrame::SaveFileAs(wxCommandEvent& WXUNUSED(event))
  {
  }
 
  void MainFrame::Quit(wxCommandEvent& WXUNUSED(event))
  {
    Close(TRUE); 
  }



  base.h

 
  #ifndef __BASE_H // Make sure to only declare these classes once
  #define __BASE_H
  #include <wx/frame.h>
  #include <wx/textctrl.h>
 
  class MainApp: public wxApp 
  { 
  public: 
    virtual bool OnInit();
  };
 
  class MainFrame: public wxFrame 
  {
  public:
    MainFrame( const wxString& title, const wxPoint& pos, const wxSize& size );
    wxTextCtrl *MainEditBox;
    wxMenuBar *MainMenu;
    void Quit(wxCommandEvent& event);
    void NewFile(wxCommandEvent& event);
    void OpenFile(wxCommandEvent& event);
    void SaveFile(wxCommandEvent& event);
    void SaveFileAs(wxCommandEvent& event);
    void CloseFile(wxCommandEvent& event);
    void Admin(wxCommandEvent& event);
 
    DECLARE_EVENT_TABLE()
  };
 
  enum
  {
    TEXT_Main = wxID_HIGHEST + 1, // declares an id which will be used to call our button
    MENU_New,
    MENU_Open,
    MENU_Close,
    MENU_Save,
    MENU_SaveAs,
    MENU_Quit,
    MENU_Admin
  };
  #endif