单击正文左边的空白区域可选定一行文字；双击则可选定一个段落。
To select a line of text, click in the space to the left of the text. Double-click to select a paragraph.
单击数据查看器widget的一行时，图widget将发生变化，显示选定销售人员的销售量。
When you click on a row in the data viewer widget, the chart widget changes to display the sales for the selected salesman.
它用了三条语句、不足20行的代码连接到了数据库，从表中选定了每一行，并将数据作为xml导出。
In three statements and fewer than 20 lines of code, it connects to the database, selects every row from the table, and exports the data as XML.
应用推荐