我正在尝试运行一些PDF文本C#代码。我有2个DLL的引用,当我尝试运行程序时出现此错误:
the type 'java.io.File' is defined in an assembly that is not referenced. You must add a reference to assembly 'IKVM.GNU.Classpath, Version=0.20.0.0, Culture=neutral, PublicKeyToken=13235d27fcbfff58'.
如何添加对此程序集的引用?