-#if !USE_SHARED_LIBRARY
-IMPLEMENT_CLASS(wxFileStreamBase, wxStream)
-IMPLEMENT_CLASS(wxFileInputStream, wxFileStreamBase)
-IMPLEMENT_CLASS(wxFileOutputStream, wxFileStreamBase)
-IMPLEMENT_CLASS(wxFileStream, wxFileStreamBase)
-#endif
+// ----------------------------------------------------------------------------
+// wxFileInputStream
+// ----------------------------------------------------------------------------
+
+wxFileInputStream::wxFileInputStream(const wxString& fileName)
+ : wxFile(fileName, read)
+{
+ m_i_streambuf->SetBufferIO(1024);
+}
+
+wxFileInputStream::~wxFileInputStream()
+{
+}