chore: Use a memory array to display image in file picker

MartinZikmund · MartinZikmund · commit c48a1768ad48 · 2025-04-22T09:26:59.000+02:00
diff --git a/Uno.Gallery/Views/SamplePages/FileFolderPickerSamplePage.xaml.cs b/Uno.Gallery/Views/SamplePages/FileFolderPickerSamplePage.xaml.cs
@@ -86,9 +86,12 @@ private async void PickSpecificFilesButton_Click(object sender, RoutedEventArgs
 				foreach (var file in storageFiles)
 				{
 					var bitmap = new BitmapImage();
+					var memoryStream = new MemoryStream();
 					using (var stream = await file.OpenReadAsync())
 					{
-						await bitmap.SetSourceAsync(stream);
+						await stream.AsStreamForRead().CopyToAsync(memoryStream);
+						memoryStream.Position = 0;
+						await bitmap.SetSourceAsync(memoryStream);
 					}
 					stack.Children.Add(new Image() { Source = bitmap });
 				}

Original file line number	Diff line number	Diff line change
`@@ -86,9 +86,12 @@ private async void PickSpecificFilesButton_Click(object sender, RoutedEventArgs`
`86`	`86`	`foreach (var file in storageFiles)`
`87`	`87`	`{`
`88`	`88`	`var bitmap = new BitmapImage();`
	`89`	`+ var memoryStream = new MemoryStream();`
`89`	`90`	`using (var stream = await file.OpenReadAsync())`
`90`	`91`	`{`
`91`		`- await bitmap.SetSourceAsync(stream);`
	`92`	`+ await stream.AsStreamForRead().CopyToAsync(memoryStream);`
	`93`	`+ memoryStream.Position = 0;`
	`94`	`+ await bitmap.SetSourceAsync(memoryStream);`
`92`	`95`	`}`
`93`	`96`	`stack.Children.Add(new Image() { Source = bitmap });`
`94`	`97`	`}`