I have spent hours to figure it out still no luck, I have copied the following exception from Event viewer.
Exception Info: System.AccessViolationException
Stack:
at MS.Win32.UnsafeNativeMethods.DispatchMessage(System.Windows.Interop.MSG
ByRef)
at System.Windows.Threading.Dispatcher.PushFrameImpl(System.Windows.Threading.DispatcherFrame)
at System.Windows.Threading.Dispatcher.PushFrame(System.Windows.Threading.DispatcherFrame)
at System.Windows.Window.ShowHelper(System.Object)
at System.Windows.Window.Show()
at System.Windows.Window.ShowDialog()
at xxxxx.Frw.Base.Client.UI.DialogService.ShowDialog(xxxxx.Frw.Base.Client.UI.BaseViewModel)
at xxxxx.Frw.Base.Client.UI.DialogService.ShowDialog(xxxxx.Frw.Base.Client.UI.BaseViewModel,
System.Windows.Controls.UserControl)
at xxxxx.Frw.Region.Reu.Client.UI.ViewModels.ReportHeaderViewModel.ShowDistributionList()
at xxxxx.Frw.Region.Reu.Client.UI.ViewModels.ReportHeaderViewModel.b__1(System.Object)
at xxxxx.Frw.Base.Client.UI.Commands.RelayCommand.Execute(System.Object)
at MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(System.Windows.Input.ICommandSource,
Boolean)
at System.Windows.Controls.Primitives.ButtonBase.OnClick()
at System.Windows.Controls.Button.OnClick()
at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(System.Windows.Input.MouseButtonEventArgs)
at System.Windows.UIElement.OnMouseLeftButtonUpThunk(System.Object,
System.Windows.Input.MouseButtonEventArgs)
at System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(System.Delegate,
System.Object)
at System.Windows.RoutedEventArgs.InvokeHandler(System.Delegate,
System.Object)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(System.Object,
System.Windows.RoutedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(System.Object, System.Windows.RoutedEventArgs, Boolean)
at System.Windows.UIElement.ReRaiseEventAs(System.Windows.DependencyObject,
System.Windows.RoutedEventArgs, System.Windows.RoutedEvent)
at System.Windows.UIElement.OnMouseUpThunk(System.Object, System.Windows.Input.MouseButtonEventArgs)
at System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(System.Delegate,
System.Object)
at System.Windows.RoutedEventArgs.InvokeHandler(System.Delegate,
System.Object)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(System.Object,
System.Windows.RoutedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(System.Object, System.Windows.RoutedEventArgs, Boolean)
at System.Windows.UIElement.RaiseEventImpl(System.Windows.DependencyObject,
System.Windows.RoutedEventArgs)
at System.Windows.UIElement.RaiseTrustedEvent(System.Windows.RoutedEventArgs)
at System.Windows.UIElement.RaiseEvent(System.Windows.RoutedEventArgs,
Boolean)
at System.Windows.Input.InputManager.ProcessStagingArea()
at System.Windows.Input.InputManager.ProcessInput(System.Windows.Input.InputEventArgs)
at System.Windows.Input.InputProviderSite.ReportInput(System.Windows.Input.InputReport)
at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr,
System.Windows.Input.InputMode, Int32,
System.Windows.Input.RawMouseActions, Int32, Int32, Int32)
at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr,
MS.Internal.Interop.WindowMessage, IntPtr, IntPtr, Boolean ByRef)
at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
at MS.Win32.HwndWrapper.WndProc(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
at MS.Win32.HwndSubclass.DispatcherCallbackOperation(System.Object)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate,
System.Object, Int32)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(System.Object,
System.Delegate, System.Object, Int32, System.Delegate)
at System.Windows.Threading.Dispatcher.InvokeImpl(System.Windows.Threading.DispatcherPriority,
System.TimeSpan, System.Delegate, System.Object, Int32)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr, Int32, IntPtr, IntPtr)
at MS.Win32.UnsafeNativeMethods.DispatchMessage(System.Windows.Interop.MSG
ByRef)
at System.Windows.Threading.Dispatcher.PushFrameImpl(System.Windows.Threading.DispatcherFrame)
at System.Windows.Threading.Dispatcher.PushFrame(System.Windows.Threading.DispatcherFrame)
at System.Windows.Application.RunDispatcher(System.Object)
at System.Windows.Application.RunInternal(System.Windows.Window)
at System.Windows.Application.Run(System.Windows.Window)
at xxxxx.Frw.Main.Client.UI.App.Main()