File Open Picker in Windows Phone 8.1

February 18, 2015

The Windows 8 Store model introduced the FileOpenPicker class, which is kind of the modern replacement for the classic Windows open file dialog. Technically, it’s more than that – it can get files from “virtual” locations such as Facebook and OneDrive; and besides, it looks much better than the classic open file dialog. Showing the FileOpenPicker is just a matter of calling PickSingleFileAsync or PickMultipleFilesAsync and awaiting for the result: var picker = new FileOpenPicker {         FileTypeFilter = { ".jpg", ".png" },         ViewMode = PickerViewMode.Thumbnail }; var file = await picker.PickSingleFileAsync();   When Universal apps came along, it...
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