各种柱状图，饼状图演示。调用方便，直接传参。-Various histograms, pie chart shows. Call to facilitate a direct transfer parameters.

C#生成3D柱状图，同时可修改柱状图的参数以调整柱状图的显示。此项目可运行-C# generate 3D bar chart, and can modify the parameters of the histogram to adjust the histogram display. This item can run