display a dialog to choose an image file to open concode_field_sep String[] suffixes concode_elem_sep FileDialog fileDialog concode_elem_sep Set<FormatSpecifier> supportedWriters concode_elem_sep List<String> extentionsList concode_elem_sep String id concode_elem_sep Set<FormatSpecifier> supportedReaders concode_field_sep FileDialog getFileDialog concode_elem_sep File showSaveFile concode_elem_sep File showSaveFile concode_elem_sep void setFilter
File function ( Shell arg0 ) { return showOpenFile ( arg0 , null ) ; }