const static char* WDG_CHOICE = "choice";
const static char* WDG_DOUBLEVALUE_EDITOR = "doublevalue_editor";
const static char* WDG_FILE_SELECTOR= "file_selector";
const static char* WDG_CHOICE = "choice";
const static char* WDG_DOUBLEVALUE_EDITOR = "doublevalue_editor";
const static char* WDG_FILE_SELECTOR= "file_selector";