velopack/samples/CPlusPlusWidgets/main.cpp

#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);
};

wxIMPLEMENT_APP(MyApp);

bool MyApp::OnInit()
{
    MyFrame* frame = new MyFrame("Hello Everyone!", wxDefaultPosition, wxDefaultSize);
    frame->Show(true);
    return true;
}

MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
    : wxFrame(NULL, wxID_ANY, title, pos, size)
{
    new wxStaticText(this, wxID_ANY, "Good Morning!"); // no need to delete - the parent will do it automatically
}