我有一个使用C#和.NET Framework 4.0开发的Windows窗体应用程序,其中包含Task。
很抱歉问这个问题,但我不知道异常发生的位置。这是堆栈跟踪:
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()
我认为抛出的异常是这个:
Object reference not set to an instance of an object.
at MyCompany.Dispositivos.Plugins.TICAnKorr.VisorTICAnKorrMini.MensajeEstado()
什么是真正的异常?
如果这不是一个正确的提问位置,请告诉我,我会删除它。
我不是在询问对象引用未设置为对象的实例
的含义,我知道它,我想知道的是这是否是导致任务抛出System.Threading.Tasks.Task.ThrowIfExceptional
的异常。