hello everyone
i have a question what need help?
i have txt file with format as
13
45
67
200
23
..
each line is a integer ,i divide x -axis is 100 elements,i want using scrollbar ,and when scrollbar valuechange (int pos),qwt will plot data of file from line at pos to pos+100.
i do not know how i can go to line at pos in Qfile,
please help me,thank