在操作窗格或自定义任务窗格上。
当自定义任务窗格浮动时，没有最大宽度。
When the custom task pane is floating, there is no maximum width.
获取自定义任务窗格与之关联的文档窗口。
Type: System. ObjectAn object that represents the document window that the custom task pane is associated with.
当自定义任务窗格停靠到文档窗口的左边或右边时，最大宽度大约为屏幕宽度的一半。
When the custom task pane is docked to the left or right of the document window, the maximum width is approximately half the width of the screen.
当自定义任务窗格停靠到文档窗口的顶部或底部时，最大高度大约为屏幕高度的一半。
When the custom task pane is docked to the top or bottom of the document window, the maximum height is approximately half the height of the screen.
如果您在外接程序中创建了自定义任务窗格，则还应当创建一个供用户单击来显示或隐藏该自定义任务窗格的UI元素，如按钮。
If you create a custom task pane in your add-in, you should also create a UI element, such as a button, that users can click to display or hide your custom task pane.
如果您在外接程序中创建了自定义任务窗格，则还应当创建一个供用户单击来显示或隐藏该自定义任务窗格的UI元素，如按钮。
If you create a custom task pane in your add-in, you should also create a UI element, such as a button, that users can click to display or hide your custom task pane.
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