说明：  使用wpf3dchart客户空间来实现3d bar。仅采用几行代码就可以实现，你也可以采用wpf数据绑定来改变3d形状
(Create interactive 3D spin able (or rotate able) bar chart in seconds using WPF3DChart custom control. Few lines of XAML or C# (or any .net compliant language code) is enough to create interactive, spinnable 3D bar chart. Also, you can use WPF Databinding to have ‘See 3D chart changes as you input’ effect.)