TChart 柱状图和饼状图的例子代码，里面还有web显示的例子， 开发工具，bcb 6.0 。-TChart bar charts and pie charts of the example code, there is also an example of web display

这是一个绘图的dll 可以绘制多种图形 如柱状图、饼状图、波形图 等 还可以画时钟-This is a drawing of the dll can draw a variety of graphics such as bar charts, pie charts, waveforms, etc. can also be painted clock