// The Blank Application template is documented at http://go.microsoft.com/fwlink/?LinkId=234227
/// Provides application-specific behavior to supplement the default Application class.
sealed partial class App : Application
public static MobileServiceClient MobileService = new MobileServiceClient(
"Service endpoint URL goes here",
"serive password goes here");
/// Initializes the singleton application object. This is the first line of authored code
/// executed, and as such is the logical equivalent of main() or WinMain().
this.Suspending += OnSuspending;
/// Invoked when the application is launched normally by the end user. Other entry points
/// will be used when the application is launched to open a specific file, to display
/// search results, and so forth.
/// <param name="args">Details about the launch request and process.</param>
protected override void OnLaunched(LaunchActivatedEventArgs args)
Frame rootFrame = Window.Current.Content as Frame;
// Do not repeat app initialization when the Window already has content,
// just ensure that the window is active
if (rootFrame == null)
// Create a Frame to act as the navigation context and navigate to the first page
rootFrame = new Frame();
if (args.PreviousExecutionState == ApplicationExecutionState.Terminated)
//TODO: Load state from previously suspended application
// Place the frame in the current Window
Window.Current.Content = rootFrame;
if (rootFrame.Content == null)
// When the navigation stack isn't restored navigate to the first page,
// configuring the new page by passing required information as a navigation
if (!rootFrame.Navigate(typeof(MainPage), args.Arguments))
throw new Exception("Failed to create initial page");
// Ensure the current window is active
/// Invoked when application execution is being suspended. Application state is saved
/// without knowing whether the application will be terminated or resumed with the contents
/// of memory still intact.
/// <param name="sender">The source of the suspend request.</param>
/// <param name="e">Details about the suspend request.</param>
private void OnSuspending(object sender, SuspendingEventArgs e)
var deferral = e.SuspendingOperation.GetDeferral();
//TODO: Save application state and stop any background activity
About the Author
Eric Vogel is a Senior Software Developer for Red Cedar Solutions Group in Okemos, Michigan. He is the president of the Greater Lansing User Group for .NET. Eric enjoys learning about software architecture and craftsmanship, and is always looking for ways to create more robust and testable applications. Contact him at [email protected].
In-editor chat and a Chat view are available in a waitlisted technical preview.
Since recently introducing the open source Semantic Kernel to help developers use AI large language models (LLMs) in their apps, Microsoft has been busy improving it, publishing new guidance on how to use it and touting its capabilities.
The Modern Data Warehouse (MDW) pattern makes it easier than ever to deal with the increasing volume of enterprise data by enabling massive, global-scale writes operations while making the information instantly available for reporting and insights.
Responding to user requests for a more seamless startup experience, Uno Platform 4.8 introduces a new App Template wizard to do just that.
The new ledger feature in SQL Server 2022 provides blockchain-based security to ensure data isn't tampered with.
> More Webcasts