XmNcloseSimpleCallback
This callback is activated when the window is closed with the Close button.
XmNvaluatorSimpleCallback
This callback is used to discover the widget scale values. (see Valuator widget). The type of information returned is XmValuatorCallbackStruct.
XmNmArrowSimpleCallback
This callback is used to find out the values of the multi-arrow (see MArrow widget). The type of information returned is XmMArrowCallbackStruct.
typedef struct {
int wsid;
int viewNumber;
int arrow;
union {
XmArrowButtonCallbackStruct *ArrowCb;
XmPushButtonCallbackStruct *ButtonCb;
} UnionCallbackStr;
} XmMArrowCallabckStruct;
see Marrow.c widget