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When PictureBox loads an image from a URL and a network error occurs, it now raises HttpClient exceptions, such as HttpRequestException and TaskCanceledException, instead of WebException.
Version introduced
.NET 9 Preview 6
Previous behavior
Previously, when PictureBox failed to load an image from a URL due to a network error, a WebException was thrown.
New behavior
Starting in .NET 9, when PictureBox fails to load an image from a URL due to a network error, HttpRequestException or TaskCanceledException is thrown.
Change category
This change is a behavioral change.
Reason for change
WebClient is obsolete.
Recommended action
Update your code to catch HttpRequestException and TaskCanceledException instead of WebException.
Affected APIs
- PictureBox control
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