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Blobs sample

This sample shows how to use a Blob and the Window.Storage.Pickers.FileOpenPicker to load and display images and video. It also shows how to create single- and multi-use Blob objects, how to save a canvas to a Blob and then load it as an image, how to download content through XHR and save it locally, how to use MSBlobBuilder to create a Blob, post a Blob to the web, and how to retrieve a thumbnail and use a Blob to display it in an image tag.

This sample is written in HTML, CSS, and JavaScript.

Related topics

How to select and display an image

Related technologies

Windows 10 apps using JavaScript, Blob , Window.Storage.Pickers.FileOpenPicker

Operating system requirements

Client

Windows 10

Build the sample

  1. If you download the samples ZIP, be sure to unzip the entire archive, not just the folder with the sample you want to build.
  2. Start Microsoft Visual Studio 2015 and select File > Open > Project/Solution.
  3. Starting in the folder where you unzipped the samples, go to the Samples subfolder, then the subfolder for this specific sample, then the subfolder for your preferred language (C++, C#, or JavaScript). Double-click the Visual Studio 2015 Solution (.sln) file.
  4. Press Ctrl+Shift+B, or select Build > Build Solution.

Run the sample

To debug the app and then run it, press F5 or use Debug > Start Debugging. To run the app without debugging, press Ctrl+F5 or use Debug > Start Without Debugging.