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/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / Tools / System.Activities.Presentation / System / Activities / Presentation / ErrorReporting.cs / 1305376 / ErrorReporting.cs
//------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //----------------------------------------------------------- namespace System.Activities.Presentation { using System.Activities.Presentation.Internal.PropertyEditing; using System.Activities.Presentation.View; using System.Diagnostics; using System.Runtime; using System.Text; using System.Threading; using System.Windows; using System.Windows.Controls; using System.Windows.Input; using System.Globalization; using System.Diagnostics.CodeAnalysis; [Fx.Tag.XamlVisible(false)] static class ErrorReporting { public static DesignerView ActiveDesignerView { get; set; } public static void ShowErrorMessage(string message) { ShowErrorMessage(message, false); } public static void ShowAlertMessage(string message) { ShowAlertMessage(message, false); } public static void ShowErrorMessage(string message, bool includeStackTrace) { string stackTrace = null; if (includeStackTrace) { //generate stack trace stackTrace = new StackTrace().ToString(); //remove top frame from the trace (which is a call to ShowErrorMessage) stackTrace = stackTrace.Remove(0, stackTrace.IndexOf(Environment.NewLine, StringComparison.Ordinal)+1); } ShowMessageBox(message, MessageBoxImage.Error, stackTrace); } public static void ShowAlertMessage(string message, bool includeStackTrace) { string stackTrace = null; if (includeStackTrace) { //generate stack trace stackTrace = new StackTrace().ToString(); //remove top frame from the trace (which is a call to ShowAlertMessage) stackTrace = stackTrace.Remove(0, stackTrace.IndexOf(Environment.NewLine, StringComparison.Ordinal) + 1); } ShowMessageBox(message, MessageBoxImage.Warning, stackTrace); } public static void ShowErrorMessage(Exception err) { if (null != err) { ShowMessageBox(string.Format(CultureInfo.InvariantCulture, "{0}:\r\n{1}", err.GetType().Name, err.Message), MessageBoxImage.Error, err.StackTrace); } } static void ShowMessageBox(string message, MessageBoxImage icon, string stackTrace) { //determine an icon string iconName = icon == MessageBoxImage.Error ? "TextBoxErrorIcon" : icon == MessageBoxImage.Warning ? "WarningValidationIcon" : string.Empty; //set properties var dlg = new ErrorDialog() { ErrorDescription = message ?? "", Icon = EditorResources.GetIcons()[iconName], StackTrace = stackTrace, StackTraceVisibility = string.IsNullOrEmpty(stackTrace) ? Visibility.Collapsed : Visibility.Visible, Context = null != ActiveDesignerView ? ActiveDesignerView.Context : null, Owner = ActiveDesignerView, }; //show error window dlg.Show(); } sealed class ErrorDialog : WorkflowElementDialog { public string ErrorDescription { get; set;} public Visibility StackTraceVisibility { get; set; } public string StackTrace { get; set; } [SuppressMessage(FxCop.Category.Performance, FxCop.Rule.AvoidUncalledPrivateCode, Justification = "This property is accessed by XAML")] public object Icon { get; set; } protected override void OnInitialized(EventArgs e) { this.Title = SR.WorkflowDesignerErrorPresenterTitle; this.Content = new ContentPresenter() { ContentTemplate = (DataTemplate)EditorResources.GetResources()["ErrorPresenterDialogTemplate"], Content = this, }; this.MinWidth = 365; this.WindowResizeMode = ResizeMode.NoResize; this.WindowSizeToContent = SizeToContent.WidthAndHeight; //handle loaded event this.Loaded += this.OnDialogWindowLoaded; base.OnInitialized(e); } void OnDialogWindowLoaded(object s, RoutedEventArgs e) { //get the containing window var parentWindow = VisualTreeUtils.FindVisualAncestor (this); //and handle KeyDown event - in case of Esc, we should close the dialog parentWindow.KeyDown += OnWindowKeyDown; //add Copy command support - when user presses Ctrl+C, copy content of the error into clipboard var copyBinding = new CommandBinding(ApplicationCommands.Copy); copyBinding.PreviewCanExecute += OnCopyCanExecute; copyBinding.Executed += OnCopyExecuted; parentWindow.CommandBindings.Add(copyBinding); } void OnWindowKeyDown(object s, KeyEventArgs e) { //Esc - close the dialog box if (e.Key == Key.Escape) { ((Window)s).DialogResult = false; e.Handled = true; } } void OnCopyCanExecute(object s, CanExecuteRoutedEventArgs e) { //do not allow text boxes to handle the ApplicationCommand.Copy, i will handle it myself e.CanExecute = true; e.ContinueRouting = false; e.Handled = true; } void OnCopyExecuted(object s, ExecutedRoutedEventArgs e) { //build a string with detailed error description StringBuilder error = new StringBuilder(); error.Append('-', 25); error.Append(Environment.NewLine); error.Append(this.Title); error.Append(Environment.NewLine); error.Append('-', 25); error.Append(Environment.NewLine); error.Append(this.ErrorDescription); error.Append(Environment.NewLine); if (this.StackTraceVisibility == Visibility.Visible) { error.Append('-', 25); error.Append(Environment.NewLine); error.Append(this.StackTrace); error.Append(Environment.NewLine); } error.Append('-', 25); error.Append(Environment.NewLine); string result = error.ToString(); //attempt to set the value into clipboard - according to MSDN - if a call fails, it means some other process is accessing clipboard //so sleep and retry for (int i = 0; i < 10; ++i) { try { Clipboard.SetText(result); break; } catch (Exception err) { if (Fx.IsFatal(err)) { throw; } Thread.Sleep(50); } } e.Handled = true; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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