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我有用C#和.NET Framework 4.0運行任務開發的Windows窗體應用程序。拋出Task.ThrowIfExceptional的異常是什麼?
我很抱歉問這個問題,但我不知道發生了什麼異常。這是堆棧跟蹤:
One or more errors occurred.
at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
at MyCompany.Dispositivos.Plugins.TICAnKorr.DeviceTICAnKorr.StopLive()
at MyCompany.Dispositivos.Plugins.TICAnKorr.VisorTICAnKorrMini.StopRemote()
at MyCompany.Dispositivos.InterfazDispositivos.ICBaseVisor.DesasociarDispositivo()
at MyCompany.Dispositivos.InterfazDispositivos.ControlMosaico.DesasociarTodosLosPaneles()
at MyCompany.Dispositivos.InterfazDispositivos.ControlMosaico.CrearControlSeleccionado(DeviceBase device)
at MyCompany.Dispositivos.InterfazDispositivos.ControlMosaico.icPanelViewer_MouseDown(Object sender, MouseEventArgs e)
at System.Windows.Forms.Control.OnMouseDown(MouseEventArgs e)
at System.Windows.Forms.UserControl.OnMouseDown(MouseEventArgs e)
at MyCompany.Dispositivos.InterfazDispositivos.VisorDeMosaico.mousedown(Object sender, MouseEventArgs e)
at System.Windows.Forms.Control.OnMouseDown(MouseEventArgs e)
at System.Windows.Forms.UserControl.OnMouseDown(MouseEventArgs e)
at MyCompany.BasicInterface.Controles_Basicos.ICLabel.lblText_MouseDown(Object sender, MouseEventArgs e)
at System.Windows.Forms.Control.OnMouseDown(MouseEventArgs e)
at System.Windows.Forms.Control.WmMouseDown(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.Label.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.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
Object reference not set to an instance of an object.
at MyCompany.Dispositivos.Plugins.TICAnKorr.VisorTICAnKorrMini.MensajeEstado()
at MyCompany.Dispositivos.Plugins.TICAnKorr.VisorTICAnKorrMini.m_DispositivoAsociado_NewResult(Object sender)
at MyCompany.Dispositivos.ConexionesDispositivos.NewResultsEventHandler.Invoke(Object sender)
at MyCompany.Dispositivos.ConexionesDispositivos.DeviceBase.OnNewResult()
at MyCompany.Dispositivos.Plugins.TICAnKorr.DeviceTICAnKorr.HiloCaptura()
at MyCompany.Dispositivos.ConexionesDispositivos.DeviceBase.<StartLive>b__9()
at System.Threading.Tasks.Task.InnerInvoke()
at System.Threading.Tasks.Task.Execute()
我想拋出的異常是:
Object reference not set to an instance of an object.
at MyCompany.Dispositivos.Plugins.TICAnKorr.VisorTICAnKorrMini.MensajeEstado()
什麼是真正的例外呢?
如果這是不正確的地方問這個問題,請告訴我,我刪除它。
我不是在問Object reference not set to an instance of an object.
是什麼意思,我知道,我在問是否這個異常使得任務拋出System.Threading.Tasks.Task.ThrowIfExceptional
。
你不能調試代碼? – Maarten
不,我無法調試它。這是一個生產日誌。 – VansFannel
以下是一個提示:將PDB部署到生產環境並記錄完整的例外ToString。這給你更多關於錯誤的信息。 – usr