wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );
wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );