Use the form:
#include <wx/wx.h> #include <wx/button.h>For precompiled header support, use this form:
// For compilers that support precompilation, includes "wx.h".
#include <wx/wxprec.h>
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// Any files you want to include if not precompiling by including
// the whole of <wx/wx.h>
#ifndef WX_PRECOMP
#include <stdio.h>
#include <wx/setup.h>
#include <wx/bitmap.h>
#include <wx/brush.h>
#endif
// Any files you want to include regardless of precompiled headers
#include <wx/toolbar.h>