这是示范文件层级自订的范例。
存取及修改属于文件层级自订一部分之文件或活页簿的资料快取中的资料。
Access and modify data in the data cache of a document or workbook that is part of a document-level customization.
尝试在文件层级自订中序列化快取资料失败时，所掷回的例外状况。
The exception that is thrown when an attempt to serialize cached data in a document-level customization fails.
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