|Enable XAML preview for WPF|
When this option is enabled, XAML files that contain WPF UI markup will have a preview area alongside the text editor. Buttons at the top right corner of the editor will let you choose how to place the preview within the editor tab.
Otherwise, such files will open as text documents.
|Automatically show preview for supported WPF files||When this option is enabled, a preview area will be shown in XAML files that contain WPF UI markup as soon as you open them.|