Detects improper usage of void return in an async method このページは日本語には対応しておりません。随時翻訳に取り組んでいます。翻訳に関してご質問やご意見ございましたら、お気軽にご連絡ください。
このルールを試す ID: csharp-best-practices/async-task-not-void
Language: C#
Severity: Error
Category: Best Practices
Description According to the task asynchronous programming (TAP) model, async methods should only return void
if they are event handlers . Otherwise, they should return Task
or Task<TResult>
Non-Compliant Code Examples class NonCompliant {
async void AsyncFetch () { /* ... */ }
async void Click () { /* ... */ }
async void HandleClick ( object sender , EventArgs e , string notEventHandlerDelegateSignature ) { /* ... */ }
}
Compliant Code Examples class Compliant {
async Task AsyncFetch () { /* ... */ }
async void OnClick () { /* ... */ }
async void HandleClick ( object sender , EventArgs e ) { /* ... */ }
}
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