$Canceled

$Canceled

是当笔记本输入被取消时（例如从一个对话框中）所返回的一个符号.

范例

基本范例  (1)

显示一个带有取消按钮的对话窗：

当点击该按钮时，$Canceled 的值作为 DialogInput 的值被返回：

Wolfram Research (2007)，$Canceled，Wolfram 语言函数，https://reference.wolfram.com/language/ref/$Canceled.html.

文本

Wolfram Research (2007)，$Canceled，Wolfram 语言函数，https://reference.wolfram.com/language/ref/$Canceled.html.

CMS

Wolfram 语言. 2007. "$Canceled." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/$Canceled.html.

APA

Wolfram 语言. (2007). $Canceled. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/$Canceled.html 年

BibTeX

@misc{reference.wolfram_2024_$canceled, author="Wolfram Research", title="{$Canceled}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/$Canceled.html}", note=[Accessed: 22-November-2024 ]}

BibLaTeX

@online{reference.wolfram_2024_$canceled, organization={Wolfram Research}, title={$Canceled}, year={2007}, url={https://reference.wolfram.com/language/ref/$Canceled.html}, note=[Accessed: 22-November-2024 ]}