C#.NET 里的问题 Exception Handling

heng81

问题在这里:   " The type initializer for 'Signal.Signalclass' threw an exception "



System.TypeInitializationException was unhandled
  Message="The type initializer for 'Signal.Signalclass' threw an exception."
  Source="Authentication Using Bio-Signal Processing"
  TypeName="Signal.Signalclass"
  StackTrace:
       at Signal.Signalclass..ctor()
       at Authentication_Using_Bio_Signal_Processing.frmSignal.bttnFilter_Click(Object sender, EventArgs e) in C:\Authentication Using Bio-Signal Processing\Authentication Using Bio-Signal Processing\frmSignal.cs:line 60
       at System.Windows.Forms.Control.OnClick(EventArgs e)
       at System.Windows.Forms.Button.OnClick(EventArgs e)
       at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
       at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
       at System.Windows.Forms.Control.WndProc(Message& m)
       at System.Windows.Forms.ButtonBase.WndProc(Message& m)
       at System.Windows.Forms.Button.WndProc(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
       at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
       at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.Run(Form mainForm)
       at Authentication_Using_Bio_Signal_Processing.Program.Main() in C:\Authentication Using Bio-Signal Processing\Authentication Using Bio-Signal Processing\Program.cs:line 17
       at System.AppDomain.nExecuteAssembly(Assembly assembly, String[] args)
       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()

heng81

Signalclass SendSignal = new Signalclass();   <<----- Error 所在


SendSignal.mixingwithleorsignal2(x1, x2, x3);

heng81

report 说是 TypeInitializationException.
请问什么是TypeInitializationException?
如何解决?

goatstudio

原帖由 heng81 于 19-4-2006 12:31 AM 发表
report 说是 TypeInitializationException.
请问什么是TypeInitializationException?
如何解决?

你需要这样写:

try {

  Signalclass SendSignal = new Signalclass();   
  

} catch (TypeInitializationException ) {

  // 当出现问题的, 应对的 code.

}

heng81

谢谢你了 goatstudio ！ 问题解决了.