User`s guide

18 Properties — Alphabetical List
18-40
Selected
Indicate whether video source object will be used for acquisition
Description
The Selected property indicates if the video source object will be used for acquisition.
You select a video source object by specifying its name as the value of the video input
object's SelectedSourceName property. The video input object Source property is an
array of all the video source objects associated with the video input object.
If Selected is 'on', the video source object is selected. If the value is 'off', the video
source object is not selected.
A video source is defined to be a collection of one or more physical data sources that are
treated as a single entity. For example, hardware supporting multiple RGB sources, each
of which is made up of three physical connections (red, green, and blue), is treated as a
single video source object.
Characteristics
Default value is enclosed in braces ({}).
Access Read only
Data type String
Values [ {'off'} | 'on' ]
Examples
Create an image acquisition object.
vid = videoinput('winvideo');
Determine the currently selected video source object.
vid.SelectedSourceName