引用该dll即可
以C#修改文件作者为例:
OleDocumentProperties file = new OleDocumentProperties();
file.Open(path);
Console.WriteLine("old:" + file.SummaryProperties.Author);
file.SummaryProperties.Author = "123";
file.Save();
Console.WriteLine("new:" + file.SummaryProperties.Author);
file.Close();
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