
TargetMedia defaults to WorkbenchPxMedia. These provide the richest visual experience, but may not be appropriate depending on the device (phone, tablet, computer).
HxPxMedia are designed for the web UI. Three of the widgets run in a browser using HTML5: LiveVideoPlayer, Control Panel and CameraWidget.
The remaining widgets: PanTiltJoystick, ZoomSlider, MouseDownButton and VideoMultistreamPane require Web Launcher and run
outside of the browser.
HxPxMedia for TargetMedia, and click Ok.

The side bars configure:
Image from the drop down option list and browse through the Image Brush Editor (use the File Ord Chooser) and File Chooser windows to select the desired image file, as shown below. 
If you selected HxPxMedia for Target Media and you attempt to drop a widget from the palette that requires the Web Launcher, the system displays, “Are you sure you
want to create this widget?” Media Validation for “HxPx Media” found these problems:” A widget ORD follows.
Refer to the Niagara Graphics Guide for more information about how to create and manipulate the graphics widgets.