#include <wx/wx.h>
#include <wx/progdlg.h>

class myApp : public wxApp {
 public:
   bool OnInit(void);
   int OnExit(void);
};

IMPLEMENT_APP(myApp)

bool myApp :: OnInit(){
   int i, max = 433;

   wxFrame* frame = new wxFrame(NULL, wxID_ANY, wxT("blah blah"));
   this->SetTopWindow(frame);
   frame->Show(true);
   
   wxProgressDialog* dialog = new wxProgressDialog(wxT("Wait..."), wxT("Keep waiting..."), max, frame, wxPD_AUTO_HIDE | wxPD_APP_MODAL | wxPD_REMAINING_TIME);

   for(int i = 0; i < max; i++){
      wxMilliSleep(5); //here are computations
      if(i%23) dialog->Update(i);
   }
   dialog->Update(max);
   delete dialog;

   return true;
}

int myApp :: OnExit(){
  
   return 0;
}