CxGrid右键菜单及Delphi控件源码，控件菜单主要功能： 多列排序 对列进行計數、合計、求最大值、求最小值、求平均值的聚合操作.-CxGrid right-click menu and Delphi VCL control menu functions: Multi-column sorting counting the columns together, seeking the maximum, minimum, and average the aggregation operatio