10#ifndef QWT_SAMPLING_THREAD_H 
   11#define QWT_SAMPLING_THREAD_H 
   13#include "qwt_global.h" 
   35    double interval() 
const;
 
   36    double elapsed() 
const;
 
   39    void setInterval( 
double interval );
 
   45    virtual void run() QWT_OVERRIDE;
 
   55    virtual void sample( 
double elapsed ) = 0;
 
 
A thread collecting samples at regular intervals.
virtual void sample(double elapsed)=0