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How Can I Avoid Blocking the UI Thread When Using Asynchronous Methods in a Constructor?

Susan Sarandon
Susan SarandonOriginal
2025-01-14 19:47:46871browse

How Can I Avoid Blocking the UI Thread When Using Asynchronous Methods in a Constructor?

Handling Asynchronous Operations in Constructors

Calling asynchronous methods directly within a constructor can lead to UI thread blocking, as demonstrated by the getWritings().Result example. A better solution is to embrace the asynchronous nature of the operation.

Instead of synchronously fetching data in the constructor, initialize the application to display a "loading" indicator. After the data (e.g., from getWritings()) is retrieved asynchronously, update the UI to reflect the results.

This approach addresses the inherent unpredictability of network operations, preventing UI freezes. For detailed guidance on implementing this pattern, especially within MVVM architectures, consult resources like MSDN articles on asynchronous data binding and best practices for avoiding async void methods.

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