See Also


Name Values
This class exposes no enumerations.


Name Type Value
This class exposes no constants.


Definition Description
DevicesLoaded() Raised when the browser has sent the list of supported devices.
FrameReceived( frameData as String ) BASE64 encoded image data received from camera.
StreamError( errorMessage as String ) Raised when an error has occurred while streaming the media. This is usually a fatal error meaning that support is lacking in the browser or there's a problem with the device.


Definition Description
DeviceExists( deviceId as String ) as Boolean
Pause() Pause real-time display.
Play() Play real-time display.
RequestFrame() Get a single frame from the real-time display.
Snapshot( Quality as Double = 0.5 ) Grab a JPEG capture of the display with quality set at Quality (0.0 to 1.0)
Stop() Stop real-time display.


Name Type Default Value Description
Devices() as GraffitiWebCameraDevice All supported devices.
isPaused Boolean False True when real-time display is paused.
isPlaying Boolean False True when real-time display is playing.
Supported Boolean False True if the user's browser supports the API.



Most modern browsers, for security reasons, will not allow access to the computer's camera unless the page is loaded over a secure (HTTPS) connection. This means you must deploy with a valid certificate or text locally over HTTPS with a self-signed certificate.