你定义了这个电话吗？请注意，您需要在某处编写代码以使其成为全局异常处理程序。试试这个链接：

How are you defining the call? Note that you need to write code somewhere to make this the global exception handler. Try this link:

http://msdn.microsoft.com/en-us/library/system.windows.forms.application.threadexception.aspx

http://msdn.microsoft.com/en-us/library/system.windows.forms.application.threadexception.aspx