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Exam 70-357 topic 1 question 36 discussion

Actual exam question from Microsoft's 70-357
Question #: 36
Topic #: 1
[All 70-357 Questions]

You are developing a Universal Windows Platform (UWP) app. The app must allow the user to select only one file at a time.
You need to ensure that the app displays the appropriate dialog window.
Which method should you use?

  • A. FileOpenPicker.PickSingleFileAsync()
  • B. FileOpenPicker.PickMultipleFilesAsync()
  • C. StorageItem.OpenSequentialReadAsync()
  • D. StorageItem.GetFileFromPathAsync()
  • E. StorageItem.OpenReadAsync()
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Suggested Answer: Explanation 🗳️
To pick a single file.
Windows.Storage.StorageFile file = await picker.PickSingleFileAsync(); if (file != null)
// Application now has read/write access to the picked file
this.textBlock.Text = "Picked photo: " + file.Name;
else
this.textBlock.Text = "Operation cancelled.";
Reference: https://docs.microsoft.com/en-us/windows/uwp/files/quickstart-using-file-and-folder-pickers#pick-a-single-file-complete-code-listing
by dsvirdi at Feb. 27, 2020, 4:47 a.m.

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dsvirdi
Highly Voted 5 years, 4 months ago
Answer A
upvoted 9 times
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