XmScaleGetValue - Man Page
A Scale function that returns the current slider position
Synopsis
#include <Xm/Scale.h> void XmScaleGetValue( Widget widget, int * value_return);
Description
XmScaleGetValue returns the current slider position value displayed in the scale.
- widget
- Specifies the Scale widget ID 
- value_return
- Returns the current slider position value 
For a complete definition of Scale and its associated resources, see XmScale(3).