| 1. | If the control has been marked as non - visual ; otherwise ,
如果控件已被标记为非可视控件，则为 |
| 2. | Demonstrates how to display a form from a non - visual component
演示如何从非可视组件显示窗体。 |
| 3. | Gets a value indicating whether the control is non - visual
获取一个值，该值指示控件是否为非可视控件。 |
| 4. | When you add a nonvisual item such as a
在将非可视项（如 |
| 5. | Non - visual components include the
非可视组件包括 |
| 6. | A nonvisual control or component provides functionality to your application
非可视控件（或组件）为应用程序提供功能。 |
| 7. | Villa audio door phone
别墅非可视门铃 |
| 8. | Support a visual design surface similar to the component tray , on which your
继承的非可视化类支持类似于组件栏的可视化设计图面， |
| 9. | Support a visual design surface , similar to the component tray , on which your
继承的非可视化类支持类似于组件栏的可视化设计图面， |
| 10. | In this example , a data source control is designated as a non - visual control by passing
传递给该属性将数据源控件指定为非可视控件。 |
