Fix the FilePicker.PickMultipleAsync() Not Returning Null When Canceled#27961
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rmarinho merged 1 commit intodotnet:net10.0from Mar 21, 2025
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Fix the FilePicker.PickMultipleAsync() Not Returning Null When Canceled#27961rmarinho merged 1 commit intodotnet:net10.0from
rmarinho merged 1 commit intodotnet:net10.0from
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src/Essentials/src/FilePicker/FilePicker.uwp.cs:43
- Ensure that there is a test case that covers the scenario where resultList.Count == 0 and the method returns null.
return resultList.Count == 0 ? null : resultList.Select(storageFile => new FileResult(storageFile));
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/rebase |
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rmarinho
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🚨 API change(s) detected @davidbritch FYI |
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Issue Details
If the user cancels the file picking, the result must be null. However, FilePicker.PickMultipleAsync() does not return a null value.
Root Cause
The method currently returns a file result value even when the user cancels the file pick operation.
Description of Change
Modify the FilePicker.PickMultipleAsync() method to be nullable and return null when the user cancels the file pick operation.
Validated the behavior in the following platforms
Issues Fixed
Fixes #27710
Output ScreenShot
BeforeFix.mov
AfterFix.1.mov