_brithtnessWindowLevel = new wxSlider(this, -1, windowlevel , min, max, wxDefaultPosition, wxDefaultSize, wxSL_HORIZONTAL|wxSL_LABELS, wxDefaultValidator);
_brithtnessColorLevel = new wxSlider(this, -1, colorwindow , min, max, wxDefaultPosition, wxDefaultSize, wxSL_HORIZONTAL|wxSL_LABELS, wxDefaultValidator);
_interpolationCheckBox = new wxCheckBox(this, -1, _T("Image interpolation") );
_brithtnessWindowLevel = new wxSlider(this, -1, windowlevel , min, max, wxDefaultPosition, wxDefaultSize, wxSL_HORIZONTAL|wxSL_LABELS, wxDefaultValidator);
_brithtnessColorLevel = new wxSlider(this, -1, colorwindow , min, max, wxDefaultPosition, wxDefaultSize, wxSL_HORIZONTAL|wxSL_LABELS, wxDefaultValidator);
_interpolationCheckBox = new wxCheckBox(this, -1, _T("Image interpolation") );