Task.Run vs. Async-Await: How to Prioritize UI Responsiveness in WPF Applications?

The best practice of task.run and async-await in the WPF application: improve the UI response speed

This article discusses how to use Task.run and Async-Await in WPF applications to avoid UI stuck.

Problem analysis

Modern user interface requires high response speed, especially in WPF applications, UI updates occur on the main thread. Executing the CPU -intensive operation on the main thread will cause the UI reaction delay. The challenge lies in how to balance between the background processing and the UI response speed.

task.run's application

task.run allows uninstalling tasks to the background thread. However, be careful to use task.run. Avoid packaging components in task.run because this may cover the CPU -intensive characteristics of these components. task.run's best position

In order to maintain the smoothness of the UI, use task.run to call the CPU dense method. The ideal implementation plan includes:

Identify the CPU dense method and clearly record its CPU dense characteristics.

Use task.run to call these methods to execute them on the background thread.

• Processing hybrid CPU dense and I/O dense methods
The method of CPU -intensive and I/O -intensive operations should be made asynchronous asynchronous, and its CPU -intensive characteristics should be highlighted in the documentation. These methods should also be called using task.run to ensure the UI response speed.

Other best practices

Configureawait (FALSE): To release the current context of the available method, use Configureawait (false). This allows subsequent operations to continue on the non -UI thread to maintain the response speed of the UI.

Guide follows: Follow the established UI thread performance guide, such as avoiding long -term blocking UI threads, and limiting the number of continuity per second to ensure that the UI operation is smooth.

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