c# - C# 错误：委托是本地函数，因此必须始终有一个主体

Question

试图将Winform应用程序中的代码模仿为VSTO 加载项。它在 Winform 中工作，但在 VSTO 应用程序的ThisAddIn类中出现以下错误。问题：我怎样才能让它在 VSTO 插件中也能工作？

错误：

委托是本地函数，因此必须始终有一个主体

Winform 的 Form 类中的相关代码[有效]：

/// <summary>This event handler is called when myApp.exe closes.</summary>
void p_Exited(object sender, EventArgs e)
{
  // remove the event
  ((Process) sender).Exited -= p_Exited;

  // the UI thread is running asynchronous to myApp.exe closing
  // that's why we can't call CheckIfPassed(); directly
  Invoke(new IsPassedDelegate(CheckIfPassed));
}

delegate void IsPassedDelegate();

VSTO App 的 ThisAddIn 类中的相关代码[在最后一行给出错误：'delegate void IsPassedDelegate();']：

/// <summary>This event handler is called when myApp.exe closes.</summary>
void p_Exited(object sender, EventArgs e)
{
  // remove the event
  ((Process) sender).Exited -= p_Exited;

  // the UI thread is running asynchronous to myApp.exe closing
  // that's why we can't call CheckIfPassed(); directly
  Dispatcher.CurrentDispatcher.Invoke(new IsPassedDelegate(CheckIfPassed));
}

delegate void IsPassedDelegate();

标签： c#vsto