关于如何获取对象名称的问题

CREATE CURSOR t(yy c(2),tt c(3))
thisform.grid1.RecordSource="t"
BINDEVENT(thisform.grid1.column1.header1,"dblclick",thisform,"bind")
BINDEVENT(thisform.grid1.column2.header1,"dblclick",thisform,"bind")
我需要的效果是,如何编写BIND过程的程序,当我双击grid1.column1.header1,获取grid1.column1的名称(name),当我双击grid1.column2.header1,获取grid1.column2的名称(name),
也就说我要知道是在哪一列双击的。恳请师傅们予以解答。