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using System;
using System.Windows;
using Catel.Examples.Silverlight.UI.Pages;
namespace Catel.Examples.Silverlight
{
/// <summary>
/// Main application class.
/// </summary>
public partial class App : Application
{
#region Variables
#endregion
#region Constructor & destructor
/// <summary>
/// Initializes a new instance of the <see cref="App"/> class.
/// </summary>
public App()
{
// Subscribe to events
Startup += Application_Startup;
Exit += Application_Exit;
UnhandledException += Application_UnhandledException;
// Initialize component
InitializeComponent();
}
#endregion
#region Properties
#endregion
#region Methods
/// <summary>
/// Handles the Startup event of the Application control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.StartupEventArgs"/> instance containing the event data.</param>
private void Application_Startup(object sender, StartupEventArgs e)
{
// Create style forwarders
Windows.StyleHelper.CreateStyleForwardersForDefaultStyles();
// Create root visual
RootVisual = new MainPage();
}
/// <summary>
/// Handles the Exit event of the Application control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void Application_Exit(object sender, EventArgs e)
{
}
/// <summary>
/// Handles the UnhandledException event of the Application control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.Windows.ApplicationUnhandledExceptionEventArgs"/> instance containing the event data.</param>
private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
{
// If the app is running outside of the debugger then report the exception using
// the browser's exception mechanism. On IE this will display it a yellow alert
// icon in the status bar and Firefox will display a script error.
if (!System.Diagnostics.Debugger.IsAttached)
{
// NOTE: This will allow the application to continue running after an exception has been thrown
// but not handled.
// For production applications this error handling should be replaced with something that will
// report the error to the website and stop the application.
e.Handled = true;
Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); });
}
}
/// <summary>
/// Reports the error to DOM.
/// </summary>
/// <param name="e">The <see cref="System.Windows.ApplicationUnhandledExceptionEventArgs"/> instance containing the event data.</param>
private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e)
{
try
{
string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");
System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in Silverlight Application " + errorMsg + "\");");
}
catch (Exception)
{
}
}
#endregion
}
}
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