Introduction - If you have any usage issues, please Google them yourself
First, the source code
The Pareto chart control is a combination of a bar graph and a line graph.
Two, function introduction
Pareto chart control is a combination of bar and line drawings, we will draw the data name on the Pareto axis, we will leave the Y axis and we will be in accordance with the frequency and data on the right side of the Y axis we will draw a percentage of the cumulative frequency of data. Data with the relative importance of the difference between the sum of the Pareto in the graphics and display.