对象选项板：它本身不是一个真正的面板，但是依赖于前面提到的面板。
Object palette: it is not really a pane by itself, but is dependent of the previous pane mentioned.
这个选项板提供了所有可添加的对象。
可以使用选项板添加submit控件，但是此后必须将其连接到提交对象。
You can add a Submit control to the canvas using the palette item, but you must later associate that control with a submission object.
然而，如果不使用这些对话框，您还可以通过选项板添加基本数据对象、数据源数据对象及数据源，并使用Properties视图对它们进行配置。
Without the dialogs, however, you can still add basic data objects, data source data objects, and data sources from the palette, and configure them using the Properties view.
然而，如果不使用这些对话框，您还可以通过选项板添加基本数据对象、数据源数据对象及数据源，并使用Properties视图对它们进行配置。
Without the dialogs, however, you can still add basic data objects, data source data objects, and data sources from the palette, and configure them using the Properties view.
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