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File and folder thumbnail sample

This sample shows how to retrieve thumbnails for files and folders. It uses Windows.Storage.FileProperties.

The sample demonstrates these tasks:

  1. Retrieve a thumbnail for a picture

  2. Retrieve album art as the thumbnail for a song

  3. Retrieve an icon as the thumbnail for a document

  4. Retrieve a thumbnail for a folder in the file system

    Note  You can't retrieve a thumbnail for the Pictures library itself because it is a virtual folder. You must choose a file system folder that has pictures in it in order to retrieve a thumbnail.

  5. Retrieve a thumbnail for a file group

    A file group is a virtual folder where all the files in the group have the criteria that you specify in common. For example, the sample shows a thumbnail for a file group wherein the files in the group all have the same month and year.

To learn about retrieving the appropriate thumbnail to display to the user, see Guidelines and checklist for thumbnails.

Important APIs in this sample include:

Note The Windows universal samples require Visual Studio 2015 to build and Windows 10 to execute.

To obtain information about Windows 10, go to Windows 10

To obtain information about Microsoft Visual Studio 2015 and the tools for developing Windows apps, go to Visual Studio 2015

Related topics

Samples

File access sample

File picker sample

Folder enumeration sample

Programmatic file search sample

Reference

Windows.Storage namespace, Windows.Storage.FileProperties namespace

System requirements

Client: Windows 10

Server: Windows Server 2016 Technical Preview

Phone: 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

The next steps depend on whether you just want to deploy the sample or you want to both deploy and run it.

Deploying the sample

  • Select Build > Deploy Solution.

Deploying and running the sample

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