Microsoft.Office.Interop.Excel 设置打印两份

要使用Microsoft.Office.Interop.Excel设置打印两份，可以在打印函数中指定打印的份数。在给定的引用中的代码示例中，用到了`workbook.PrintOutEx()`函数来实现打印。该函数有许多参数，其中第三个参数代表打印份数，可以将其设置为2即可打印两份文件。

以下是修改后的代码示例：

using Microsoft.Office.Interop.Excel;
Application app = new Application();
Workbook workbook = app.Workbooks.Open(@"C:\Users\kynesyhchen\Desktop\test.xlsx");
Worksheet worksheet = (Worksheet)workbook.Worksheets<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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