Set the text and tool tip text to the default.

将文本和工具提示文本设置为缺省值。

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If the selection is a file (rather than a folder), then we adjust the text and tool tip to reflect that file name and enable it.

如果选择是文件(而不是文件夹)，则调整文本和工具提示以反映该文件的名称并启用它。

youdao

When it notices a change, it can look at the new selection and change its text, tool tip, and enabled state to reflect that.

当它注意到变化时，会查看新的选择并更改它的文本、工具提示和启用状态来反映这一变化。

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You can also email it to us by clicking here or text the letters CNN, followed by a space and your tip, to 55333 (don't forget the space after CNN).

CNN: Contact Us

Projects such as these are the wife's territory and I could not be happier to be in live text central for what promises to be a very busy day of tip-top Premier League action.

BBC: Premier League as it happened