资料来源视窗拖曳至表单上已系结至关联子资料表之资料行的控制项。
Data Sources Window onto a control on your form that is already bound to the column in the related child table.
您可以使用视窗拥有的表单，例如就寻找和取代视窗而言，当选取主控表单时，不应该显示在主控表单后面。
You can use owned forms for Windows such as find and replace Windows, which should not disappear when the owner form is selected.
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