请问大家怎样取TDrawGrid上单元格的值啊？
把TDrawGrid虚拟成object和edit，然后用tbl_get_cell_data("TDrawGrid","#2","#4",cell_value)函数，结果提示“Error: Operation is not appropriate for this widget class.”，请问大家怎样取TDrawGrid上单元格的值啊，而不用get text_from screen area方式？急啊，这个问题捆饶我1年多了
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