Microsoft.Office.Core.MsoTriState引用问题
e.MsoTriState”在未被引用的程序集中定义。必须添加对程序集“office, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c”的引用。错误与“Microsoft.Office.Interop.PowerPoint.Presentations.Open(string, Microsoft.Office.Core.MsoTriState, Microsoft.Office.Core.MsoTriState, Microsoft.Office.Core.MsoTriState)”最匹配的重载方法具有一些