代码说明： TDrawGrid派生的添加了一些属性方法事件的元件 This component is a descendant of the TDrawGrid component and has a behavior like the TStringGrid component. The difference is that different type of data could be saved. In addition to the functionality of a StringGrid some properties, methods and events were added. Individual properties of the columns can be edited, just like the column editor of TDBGrid component.

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