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我有图表(轴 X - 日期,轴 Y - 数字),数据源是字典。我如何在图表的选择范围内获取数据(或索引)?例如数据:10/10/2012 , 10 10/11/2012 , 11 10/12/2012 , 12 10/13/2012 , 13 10/14/2012 , 14
然后用户选择从 10/11/2012 到 10/13/2012 的图表范围,我可以得到从 10/11/2012 到 10/13/2012 的 X 值吗?
谢谢!