DBNavigator1控件(100分)

按下DBNavigator1控件上的按钮，怎么判断是按下的是什么按钮

在DBVAV的onClick事件中，有Button属性，可以判断<br>procedure TForm1.DBNavigator1Click(Sender: TObject; Button: TNavigateBtn);<br>begin<br>&nbsp; if Button = nbFirst then<br>&nbsp; &nbsp; ....<br>end;<br><br>&nbsp; TNavigateBtn = (nbFirst, nbPrior, nbNext, nbLast,<br>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; nbInsert, nbDelete, nbEdit, nbPost, nbCancel, nbRefresh);