Starting with the Q1 2012 release, the RadFileExplorer gets a new display mode - thumbnails. In this mode the grid with folder and file details is replaced with a listview, which shows the current folder in a display similar to the Windows File Explorer's medium icons view. The best scenario for this new display mode is when you want to display thumbnails of image files - these will be shown instead of the default image file icon we have in the control. Other supported files (e.g. office documents) will show up with normal icons.

 thumbnails explorer mode

The size of the thumbnail icons can be easily changed, so if your project needs larger ones there is nothing to worry about!

The new file explorer view is enabled by default for the RadEditor's ImageManager dialog. If you want to keep the old grid view in the image manager, you can set the editor property ImageManager-ViewMode="Grid". The default value of this property, starting with Q1 2012, is "Thumbnails".

You can see a live demo of the new display mode on our examples website at To see the updated image manager in RadEditor, you can go to any editor demo - for example The keyboard shortcut for opening the Image Manager dialog in the editor is Ctrl-M (of course, you can also click the dialog icon in the editor toolbar).

Telerik ASP.NET AJAX Q1 2012 Beta is here

About the Author

Stoyan Stratev

is a technical lead in the Windows 8 HTML team at Telerik. He joined the company in 2005 as a web developer, specializing in the integration of the Telerik components in third-party solutions, such as DotNetNuke and SharePoint. He led one of the ASP.NET AJAX teams before moving on to the Windows 8 division.

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