const static char* WDG_DOUBLEVALUE = "doublevalue";
const static char* WDG_INTEGERVALUE = "integervalue";
const static char* WDG_BOOLVALUE = "boolvalue";
const static char* WDG_DOUBLEVALUE = "doublevalue";
const static char* WDG_INTEGERVALUE = "integervalue";
const static char* WDG_BOOLVALUE = "boolvalue";